Macrocyclic polyether
[化] 大环多醚
🧩 词语组成解析
[机] 大环的
n. [化]聚醚,多醚
🗣️ 情景例句
I'd like two cheeseburgers all-dressed, please.
我的奶酪汉堡什么料都要。
I asked him to lend me a book , but he wouldn't.
我请他把书借给我，但是他不肯。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。