Simple collision theory
[化] 简单碰撞理论
🧩 词语组成解析
🗣️ 情景例句
What about your arms? Lift your arms up like this.
你胳膊怎么样?手抬起来， 像这样。
It's already in production, so you can expect it in stores before the end of the month.
产品已投产了，所以月底前你可以获得。
The old lady enjoys a quiet life with her family.
老太太和她的家人安享宁静的生活。