Leucacene
[化] 苊热裂烃
🗣️ 情景例句
You just earned your weight in gold, Malcolm.
你可帮了大忙， Malcolm。
What excuse could he have for being so rude?
他做了那样无理的事，将如何辩解呢？
A week? As long as that?
一星期？要那么长时间？