Diyne
[化] 二炔
🗣️ 情景例句
It just depends on a number of things.
这得靠许多因素才能决定。
How much of a volume discount are you prepared to offer?
总折扣你们准备提供多少？
Is that true? said Lucy. She was surprised. Is it a real king's hat?
“是真的吗？”露西问。她感到惊奇。“那真的是国王的帽子？”