Meter mask
[医] 氧量计面具(飞行员用)
🧩 词语组成解析
mask
[mæsk]
n. 面具;假面具;用作掩饰的事物;护肤膜;
vt. 掩饰;戴面具;用面具遮住，掩盖，掩饰;
vi. 戴面具;隐瞒，掩饰;
🗣️ 情景例句
Dean Rafer called me today.
Rafer主任今天打电话给我。
What's the longest river in the United States?
在美国最长的河是什么？
Visitors have been asked to keep the woods clean and tidy.
游客已被告知要保持树林的整洁。