Hsi
abbr. 水平位置指示器（Horizontal Situation Indicator）；热应力指数（Heat-Stress Index）；恒生指数（Hang Seng Index）
🗣️ 情景例句
How long have you known her?
你认识她多久了？
It can't be helped.
无能为力。
He's over there. He's cleaning the car.
他在那边，在洗车。