1.tip-off 密报，警告，情报
例句：Acting on a tip-off, the police arrested the drug smugglers.
警方根据密报逮捕了毒品走私者6[y&u^^vDbyl3Vz。
2.take over 接管，接收
例句：Have a rest. I'll take over.
你歇会儿, 我来替你f&nO4TH_ZnOH#P6)FEW。
3.test on 做实验，测试
例句：We are going to have a test on June.
我们打算在六月做试验pIl#TU6WwEKLq(guIXm。
4.be identified as 被认为是，被视为
例句：The components in the mixture can be identified as individual components.
混合物中的组分被看作是各个单独的组分1[^%G[U3vw+V-。