Hsf
abbr. High Speed Flight 高速飞行
🗣️ 情景例句
A dime is 10 cents. It's one tenth of a dollar.
一角有十美分，是一美元的十分之一。
A liar is worse than a thief.
撒谎比偷窃更可恶。
The boy was too nervous to speak.
那男孩紧张得说不出话来。