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
Lacks tact.
不够机敏。
I often have breakfast in the morning.
我常常在早上吃早餐。
I still have some questions concerning our contract.
就合同方面我还有些问题要问。