Heptyne
庚炔 1-heptyne 1-庚炔
??? 情景例句
If you can order a bit more, we might be able to give you a 2% discount.
如果你能夠再訂多一些，我們可以給你 2% 的折扣。
I asked him to pay, but he wouldn't.
我請他付賬，但是他不肯。
Yes, Jeanne, I brought a necklace to you. It was exactly like your necklace, but it was a different one. It cost us thirty-six thousand francs.
是的，讓娜。我還給你的那一條項鏈，完全像你原來的那條一樣，但那是另外的一條。它花了我們36000法郎。