Warning system
[计] 报警系统
🧩 词语组成解析
warning
['wɔrnɪŋ]
n. 警告;征候，预兆;前车之鉴;
adj. 警告的;告诫的;引以为戒的;
v. 警告( warn的现在分词);提醒;告诫;预先通知;
warn警告+ing名词后缀 → 警告
🗣️ 情景例句
I wonder who he is.
我不知道他究竟是谁？
No man can be a good ruler unless he has first been ruled.
没受过他人的统治，就不能很好地统治他人。
If only he were here.
要是他在就好了。