R48
[医] 双-2-氯乙基-β-萘胺
🗣️ 情景例句
We had a summer house on Fire Island.
我们在火岛有一所避暑别墅。
You can use quarters, dimes and nickels.
你可以使用2角5分、1角和5分三种硬币。
I don't want to know what it's been; I want to know what it is now.
我不想知道它曾经是什么；我想知道它现在是什么。