challenge switch

基本解釋

This differential sialylation may provide a switch from innate anti-inflammatory activity in the steady state to generating adaptive pro-inflammatory effects upon antigenic challenge.
該差分唾液酸化可提供一種開(kāi)關(guān)從與生俱來(lái)的，在穩(wěn)定狀態(tài)中的抗炎活性，以產(chǎn)生自適應(yīng)的抗原刺激后的促炎性作用。
Saturday's draw with Arsenal finally saw off the lingering challenge of Liverpool, ending a tense title race and allowing the Reds' attentions to switch to facing La Liga's finest in Rome on 27 May.
周六和阿森納的平局最終令利物浦的追趕成了白費(fèi)，曼聯(lián)終結(jié)了聯(lián)賽的懸念可以專心準(zhǔn)備27號(hào)在羅馬舉行的冠軍杯決賽了。
forum.sports.sina.com.cn
While a robot partner would never be my equal in a relationship -- it can't be, as long as I control the on-off switch -- it could still challenge me intellectually.
在兩人關(guān)系中，只要我控制著開(kāi)關(guān)，機(jī)器人就永遠(yuǎn)不能挑戰(zhàn)我的地位，智商除外。

What they needed to do was switch things around in her head so that the challenge became not taking the wallet but leaving it.
NEWYORKER: Found Objects
For Google, the challenge is keeping its income from search high, even as the users switch to accessing the Internet on the go.
FORBES: More China Challenges For Google