Fhr
abbr. fetal heart rate 胎心率; fire-hose rack 消防水龙带架子
🗣️ 情景例句
I don't know.
我不知道。
The racer's car burst into flames just as he had crawled out.
当赛车手爬出车子后不久，汽车就爆炸燃烧了起来。
But animals of this age do not easily become subservient to man,
但这个年龄的象不易驯服，