Pentethide
五乙基化物
??? 情景例句
I won't hold it against you.
我不會記仇的。
I ate roast chicken for lunch yesterday.
我昨天午飯吃的是燒雞。
The plane was then able to rise and it cleared the mountains by 400 feet.
于是飛機可以上升了，它在離山頭400英尺的高度飛越了過去。