Safety alarm
[化] 安全警报器
🧩 词语组成解析
🗣️ 情景例句
OK. Sit down, please. What would you like, Chinese tea or coffee?
好的，请坐。你想喝点什么，中国茶还是咖啡？
To know how to wait is the great secret of success.
懂得如何等待是成功的秘诀。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹，诸如岩石中一个沙粒分子