Upper alarm limit
[化] 上警告限
🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
🗣️ 情景例句
It's nice to see you again.
再次见到你，真是太好了。
Rivers need a spring.
大河要有源头。
As soon as she saw it, the woman said she did not like it.
这位妇女对那件衣服只看一眼，就说不喜欢。