Pyrrolylene
丁(间)二烯
🗣️ 情景例句
I want to thank you for giving me an opportunity to speak to you.
我要感谢大家给我一个机会来向各位讲话。
Good afternoon,Mr. Green.
午安，格林先生。
We'd like you to change shippers for the next order.
下次的货我们希望换一家运输公司。