Pentavalent
a. 五价的\\n[医] 五价的
🗣️ 情景例句
Who's that?
谁呀？
The frog in well knows nothing of the great ocean.
井底之蛙不知汪洋大海。
Just a minute. I'll see if I'm free. No, I'm not. I've already got something on that evening.
等一会。我看看是否有空。不，我没空。我那天晚上已经有了安排。