Safety protection
[化] 安全防护
🧩 词语组成解析
🗣️ 情景例句
If you feel tired at work, Just take a vacation.
如果你觉得工作太累了，不防去度假。
Hope is but the dream of those that wake.
希望是清醒者的梦想。
a trough (the lowest point), a height (the vertical distance from the trough to the crest),
波谷（最低点）、浪高（从波谷到浪峰的垂直距离）