Naturetin
芐氟噻(嗪)
??? 情景例句
Easy does it, Robbie.
慢慢來， Robbie。
It takes a bit of nerve to cross these chain bridges.
過這種鐵鎖橋需要有點膽量才行。
I want to go to the shop. I want an eraser.
我想去商店買塊橡皮。