Pregnanone
孕烷酮
🗣️ 情景例句
If you can order a bit more, we might be able to give you a 2% discount.
如果你能够再订多一些，我们可以给你 2% 的折扣。
Beard the lion in his den.
老虎头上捉虱；太岁头上动土。
Give me that hammer please, Dan.
请把那把锤子拿给我。丹。