Etisul
[医] 肽乙硫, 异肽酸二乙二硫酯
🗣️ 情景例句
Make sure everybody is at that meeting.
要确定每一位都出席这次会议。
That's unbelievable.
那是难以置信的。
But this does not matter, for, as he has often remarked, one is never too old to learn.
但这没有关系，因为正如他常说的那样，人要活到老学到老。