Hirt
abbr. High Reynolds Number Tunnel <美>(USAF)高雷诺值风洞
🗣️ 情景例句
The cradle will fall,
摇篮会掉落
You'll hurt your arm, if you don't take care.
你不专心的话，就会伤到你的手指。
Which is your favourite month?
你最喜欢哪个月份？