Dnchp
[医] 二硝基环己酚(灭螺药)
🗣️ 情景例句
Do you have any assurance for its quality?
你们有任何品质保证吗？
Life is half spent before we know what it is.
等到认识人生，已经一半过去了。
One evening, however, he failed to arrive.
可是，有一天晚上，它出去后再也没回来。