Methyloic
含有羧基的
??? 情景例句
and it is on a half-acre lot.
用地半英畝。
An open door may tempt a saint.
一扇開著的大門可誘惑一個圣徒。
but as the oceans have been overfished, fish has become more and more expensive.
但是隨著海洋里的濫捕濫撈，魚已經變得越來越昂貴。