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
This is my sister Susan.
这是我妹妹Susan。
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
The efficiency is greatly raised,and the intensity of labor is decreased.
工作效率大大地提高了，而劳动强度却降低了。