Facemasks
(facemask 的复数) [医]面罩, 面具
🗣️ 情景例句
Come on in!
进来！
Public money is like holy water, every one helps himself to it.
公款如圣水，人人都要尝一嘴。
Sometimes the secrecy goes to such an extent that the whole nature of the research cannot be mentioned.
有时，保密竟达到了这样的程度，即连研究工作的整个性质都不准提及。