Bombsight
n. 投弹瞄准器
🗣️ 情景例句
Well, if they're not,
噢， 假如店不开的话，
I don't believe he will get to the station on time.
我不相信他会准时到车站。
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。