Abhi
精氨酸-b 31人胰岛素（arg-b 31 human insulin）
🗣️ 情景例句
He owes his wealth to diligence and good luck.
他的财富是由于他的勤劳和幸运。
This is a highly controversial subject.
这是一个颇有争议的题目。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。