常速英语:日本首都圈4地进入紧急状态
日期:2021-01-08
1. act as 担任
The United Nations will act as guarantor of the peace settlement.
联合国将充当和平解决方案的保证人。
2. last-ditch 作最后努力（或尝试）的；孤注一掷的
She underwent a heart transplant in a last-ditch attempt to save her.