Dienes
[化] 双烯; 二烯烃
🗣️ 情景例句
Please give him the message.
请转告他。
It's such a nice change.
真实令人高兴的转变。
So, ask businesses on both sides of the Atlantic, why have two lots of tests where one would do?
因此，大西洋两岸的企业都在问，当一套测试可以解决问题时，为什么需要两套呢？