Particle trajectory
[化] 粒子轨迹
🧩 词语组成解析
🗣️ 情景例句
He did everything within his power to achieve the goal.
他竭尽全力去实现目标。
Shame they won't be there.
可惜他们将不在那儿。
My nephew, George, has a money box but it is always empty.
我的外甥乔治有一个储蓄罐，但总是空空的。