Leucacene
[化] 苊热裂烃
🗣️ 情景例句
Hi, Marilyn,
嗨 ，Marilyn。
I ought to stay at home.
我应该留在家中。
What they had in fact found was a ship which had been sunk many years before.
事实上，他们发现的是另一艘沉没多年的船。