Dialkyl
[机] 二烷基
🗣️ 情景例句
That makes me feel good.
那使我感到很高兴。
Fortune is fickle.
天有不测风云，人有旦夕祸福。
chasms wider than the Grand Canyon and at least one mountain more than twice as tall as Everest.
比大峡谷还宽的裂缝，起码有一座山有珠穆朗玛峰的近两倍高。