Hexoylene
[化] 2-己炔
🗣️ 情景例句
I majored in economic and trade English.
我主修的是经贸英语。
Hello. I wish to speak to Mr.Chen?
喂，我想和陈先生讲话。
And if you think you'll abandon meat and become a vegetarian,
如果你想放弃肉类而变成一位素食者，