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
and pleased to be living with the family.
乐于跟家人住在一起。
To ride a motorcycle
骑摩托车
What do you think I should do then?
那您认为我该怎么做呢？