Wanscher's mask
[医] 万舍氏面罩(乙醚麻醉时用)
🧩 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
Stone has been out of work for three months.
世通已失业三个月了。
It's raining.
外面下着雨。
There are lots of huge buildings in Beijing.
在北京有许多高大的建筑物。