Piperylene
戊间二烯
🗣️ 情景例句
It's us, Susan.
是我们， Susan。
Some relative clauses in the contract have to be amended owing to the unexpected situation.
由于这种难以预料的情况，合同中的有关条款不得不做些修改。
Could I have your latest catalogues or something that tells me about your company?
可以给我一些贵公司最近的商品价格目录表或者一些有关说明资料吗？