Mechanical system
[计] 力学系统, 力学体系\\n[化] 力学系; 力学系统
🧩 词语组成解析
🗣️ 情景例句
Oh. Thank you, Molly.
噢，谢谢， Molly。
Please count the chairs in that room.
请在那个房间里数一下椅子。
The eraser goes from one student to another first one way, then another.
橡皮擦从一个学生传给另一个学生－先从这个方向传过去，然后返回来。