Pentylidyne
[化] 次戊基
??? 情景例句
Nat's not as lucky as I am, Robbie.
Nat不像我這樣幸運， Robbie。
We have a lot of invitation cards, but they are all for the same date.
我們接到了許多請帖，但是上面的日期卻全都是同一天。
Excuse me. Do you have an eraser?
對不起，你有橡皮嗎？