Bithiophene
并噻吩
🗣️ 情景例句
Don't the flowers smell wonderful?
花儿闻起来好香， 不是吗？
I want a cup of coffee.
我想要一杯咖啡。
and a very firm hand must be employed in the early stages.
因此开始阶段需要有一位强有力的老手。