Trackshoe
轨道制动块
🗣️ 情景例句
I need your help badly. My car can't start. Can you send somebody over?
我急需你们的帮助。我的车启动不了，能派人来修吗？
He needed a blood transfusion.
他需要输血。
Education in the wilderness is not a matter of monetary means.
荒凉地区的教育不是钱的问题，