Sanitary legislation
[医] 卫生法规
🧩 词语组成解析
🗣️ 情景例句
He has to drive for twenty minutes to get from his house to his office.
从他的家到他的办公室有20分钟的车程。
He can't come and he sends his apologies.
他为他的不能前来致歉。
I'm not sure we can wait that long.
恐怕等不了那么久了。