Collateralize
v. 以...作抵押
🗣️ 情景例句
Well, he's asleep--finally.
好了， 他终于睡着了。
Graduation is often the last moment of childhood.
毕业往往意味着儿童时期的结束。
The doctor looked over Mrs Brown very carefully.
医生非常仔细地给布朗夫人作了检查。