Bithiophene
并噻吩
🗣️ 情景例句
It doesn't take long for most pop icons to become yesterday's news.
大多数偶像明星很快就会成为昨日黄花。
If the sky falls,we shall catch larks.
天垮正好抓云雀；不要杞人忧天。
It usually comes in February or March. Summer is often very hot.
通常在2月或3月开始。夏天很热。