Metrograph
汽车速度计
🗣️ 情景例句
The change is yours.
找回的钱给你。
Put the receiver closer to your mouth.I can't hear you.
把听筒放近你的嘴，我不能听见你的话。
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。