Etheride
酰卤化物
🗣️ 情景例句
we don't have to.
我们不必勉强。
He that would eat the kernel must crack the nut.
要把果仁吃，就得碎果壳。
I dig songs and I like pop music very much.
我特别喜欢歌曲和流行音乐。