Bab

基本解釋

There are four main blood types: A, B, AB and O and each blood type is either Rh positive or negative.
人有四種主要血型：A、B、AB和O，每種血型要么是Rh陽(yáng)性要么是Rh陰性。
There are four main blood types: A, B, AB, and O. Use of the wrong blood type in a patient can be fatal.
人有4種主要血型：A、B、AB和O。給病人輸錯(cuò)血會(huì)是致命的。
With type B/AB, increasing age and possibly long-term occupational dust exposure were risk factors for lung cancer mortality.
在B/AB型血的人中，年齡增加和在職業(yè)中長(zhǎng)期接觸粉塵是肺癌死亡率最關(guān)鍵的因素。