Sruma
[医] 牙石
🗣️ 情景例句
we can ship the goods one month ahead of time.
我们可以提前一个月起运。
She will certainly remain single.
她肯定会保持独身。
The clouds had come down so suddenly we had no warning.
乌云突然出现，我们丝毫没有觉察。