Bithiophene
并噻吩
🗣️ 情景例句
The truth is ... yes.
老实说……是很难。
If you don't have the quality inquired for, please offer us its nearest equivalent.
如果贵方没有所要求质量的产品，请提供与之最接近的产品。
We're having trouble meeting your shipping schedule.
要如期出货，我们有问题。