Polybenzothiazole
[化] 聚苯并噻唑
🗣️ 情景例句
Where there's smoke, there's fire.
事出必有因，无风不起浪。
His heart swelled with gratitude to her.
他心中充满着对她的感激之情。
We're tired ...
我们累了。。。。。。