Polybenzothiazole
[化] 聚苯并噻唑
🗣️ 情景例句
OK, let's get started.
好吧 ，我们开始工作。
When the tree is fallen, every one runs to it with his axe.
大树一倒下，人人持斧来。
On Sundays, hundreds of people come from the city to see our town and to walk through the woods.
每适星期天，有许许多人从城里来观赏我们的小镇，并在树林中散步。