Ster
n. 灭菌, 绝育；消毒器, 杀菌器
🗣️ 情景例句
in the public school
在公立学校中
Any time.
随时都愿意效劳。
It is one of the most unpleasant discoveries which we all make that we must decline in this way,
人人必然会衰老。