例句：
The traffic laws don't take effect until the end of the year.
交通法要到年底才生效。
Then officers waited for the drug to take effect.
然后，官员们等待药物生效。
The aspirins soon take effect.
阿司匹林药片很快见效。
The prescribed medicine failed to take effect.
医生开的那药没有效果。
Three planes were standing on the tarmac, waiting to take off.
三架飞机停在跑道上，等候起飞。