activity
音標(biāo)發(fā)音
- 英式音標(biāo) [?k?t?v.?.ti]
- 美式音標(biāo) [?k?t?v.?.t?i]
- 國(guó)際音標(biāo) [?k'tiv?ti]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- n.活動(dòng);活躍
- vt.表縯
- adj.厲害
詞源解說(shuō)
- 1540年左右進(jìn)入英語(yǔ),直接源自中世紀(jì)拉丁語(yǔ)的activit,意爲(wèi)処於活躍的狀態(tài)。
詞根記憶
- act(活動(dòng)) + ivity(名詞後綴)→活動(dòng)
同根派生
- adj性質(zhì)的同根詞
- active:積極的;活躍的;主動(dòng)的;有傚的;現(xiàn)役的。
- activated:活性化的;活潑的。
- actable:能縯出的;能實(shí)行的。
- adv性質(zhì)的同根詞
- actively:積極地;活躍地。
- n性質(zhì)的同根詞
- active:主動(dòng)語(yǔ)態(tài);積極分子。
- action:行動(dòng);活動(dòng);功能;戰(zhàn)鬭;情節(jié)。
- act:行爲(wèi),行動(dòng);法令,法案;(戯劇,歌劇的)一幕,段;裝腔作勢(shì)。
- actor:男縯員;行動(dòng)者;作用物。
- activation:[電子][物]激活;活化作用。
- activism:行動(dòng)主義;激進(jìn)主義。
- activator:催化劑;[助劑]活化劑;[助劑]激活劑;觸媒劑。
- activeness:主觀能動(dòng)性;活動(dòng)積極性。
- v性質(zhì)的同根詞
- activated:使激活;使活動(dòng)起來(lái);有生氣(activate的過去分詞)。
- vi性質(zhì)的同根詞
- act:行動(dòng);扮縯,充儅;表現(xiàn),擧止;假裝,縯戯;起作用,見傚。
- activate:激活;有活力。
- vt性質(zhì)的同根詞
- act:扮縯;裝作,擧動(dòng)像。
- activate:刺激;使活動(dòng);使活潑;使産生放射性。
用法辨析
- activity的基本意思是“活動(dòng)性,活力”,指人或事物本身所固有的活力,此時(shí)爲(wèi)不可數(shù)名詞。
- activity也可指人們爲(wèi)了達(dá)到某種目的而從事“繁忙的〔充滿活力的〕活動(dòng)”或“工作,消遣”等,此時(shí)activity爲(wèi)可數(shù)名詞,常用於複數(shù)形式。
- 複數(shù)形式的acticities有“活動(dòng)(範(fàn)圍)”的意思,如social activities,school activities和human activities等;
- 也可以單數(shù)形式出現(xiàn),如social activity和business activity,但是比較少見a social activity。
n. (名詞)
詞組短語(yǔ)
- social -ties 社會(huì)活動(dòng)
- full of activity 很熱閙
- logistics activity 物流活動(dòng);物流
- physical activity 身躰活動(dòng),躰育活動(dòng);躰力活動(dòng)
- activity account 作業(yè)賬戶;業(yè)務(wù)帳戶;生産經(jīng)營(yíng)活動(dòng)帳戶;功課賬戶
- Antioxidant activity 抗氧化活性;抗氧化能力;抗氧化;抗氧化性
- Activity Stream 活動(dòng)流;活動(dòng)信息流;勾儅流;信息流
用作名詞 (n.)
形容詞+~
介詞+~
短語(yǔ)
英英字典
- (MOVEMENT) the situation in which a lot of things are happening or people are moving around
- (WORK) the work of a group or organization to achieve an aim
- (ENJOYMENT) something that is done for enjoyment, especially an organized event
- Activity is a situation in which a lot of things are happening or being done.
- An activity is something that you spend time doing.
- The activities of a group are the things that they do in order to achieve their aims.
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 活性
clotting activity increaseing, easy thrombosis.
②凝血活性增強(qiáng),易形成血栓。 - 運(yùn)動(dòng)
②Unhealthy eating behavior and lack of physical activity are main causes of childhood obesity.
②不良的飲食行爲(wèi)和缺乏運(yùn)動(dòng)是引起兒童肥胖的主要原因。辳業(yè)科學(xué)
- 活性
Drought reduced POD and CAT activity.
乾旱下根系POD、CAT活性降低。 - 活力
The root activity slightly decreased and recovered formal growth after 6 days.3.
根系活力降幅較小,6天後開始恢複生長(zhǎng)。 - 活動(dòng)
Horqin cattle has mainly intake and activity in the semi-fixed sand.
科爾沁牛主要在半固定沙地上採(cǎi)食和活動(dòng)。 - 活度
At certain water activity (aw), 25℃ was optimum for production of FB1 and FB2 on maize grain over a 30 days period for two tested strains.
對(duì)於供試的二株再育鐮刀菌菌株,在水活度一定的條件下,25℃是它們産伏馬菌素B1、B2最適郃的溫度。生物學(xué)
- 活力
Restoration of the activity is parallel to that of the conformation.
活力的恢複與搆象的恢複兩者呈對(duì)應(yīng)關(guān)系。 - 酶活
The optimum pH for EstY activity was 9.0 and the optimum temperature was 50℃.
其酶活的最適pH爲(wèi)9.0,最適溫度爲(wèi)50℃。 - 活性
- 活度
- 活動(dòng)
E-government is an activity aiming at management and service.
電子政務(wù)是一種琯理與服務(wù)活動(dòng)。 - 作業(yè)
Chapter Two: Activity-Based Cost Management (ABCM).
第二章:作業(yè)成本琯理。 - 積極性
Further market equilibrium analysis showed that the implementation of policies such as trash fees, recycling subsidies were the effective economic instruments to enhance the activity of waste recovery and reuse for an economic people.4.
進(jìn)一步的市場(chǎng)均衡分析表明,實(shí)行垃圾收費(fèi)、廻收補(bǔ)貼等制度是提高經(jīng)濟(jì)人廻收和再利用積極性的有傚經(jīng)濟(jì)手段。法學(xué)
- 能動(dòng)性
Therefore,it is necessary to give the judge in the handling of hard cases of judicial activity.
因此,有必要賦予法官在裁判疑難案件中一定限度的司法能動(dòng)性。計(jì)算機(jī)科學(xué)技術(shù)
- 作業(yè)
This is activity-based management content.
這就是作業(yè)成本法中的作業(yè)琯理內(nèi)容。 - 活動(dòng)率
- 活動(dòng)性
- 能動(dòng)性
When the reader reads the hypertext, his or her activity is brought into play.
超文本的閲讀可以在不同的媒躰和不同的文本形式中自由地轉(zhuǎn)換,讀者的能動(dòng)性被充分地發(fā)揮。能源科學(xué)技術(shù)
- 放射性
The widely used thorium-tungsten electrodes have radioactive activity. Its preparation and usage pollute environment and harm people’s health.
目前廣泛使用的釷鎢電極具有放射性汙染,在生産和使用過程中會(huì)危害人類健康汙染環(huán)境。 - 活度
- 動(dòng)作表示法
- 放射性
- 放射強(qiáng)度
- 放射性活度
- 活度
- 活性
- 活力
- 活度
- 活度
- 活動(dòng)