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
Save your voices.
留着点嗓子。
No, You'll have to get off at the bank and take the A52.
不去。你到银行那一站就得下车，改乘A52路的。
drawing the particle first towards the advancing wave,
先把微粒拉向前移的海浪，