Fhr
abbr. fetal heart rate 胎心率; fire-hose rack 消防水龙带架子
🗣️ 情景例句
Turn the key before you pump the pedal, or you'll flood the engine.
加水之前转动钥匙，要不发动机就给浇灭了。
Could you hold the door open, please?
请让门继续开着好不好？
There is a boy in the water.
河里面有个男孩。