Upper explosive limit
[化] 爆炸上限
🧩 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
An individual's sex and characteristics are determinded by their unique set of genes.
个人性别和性格是由他们特有的一套基因决定的。
Thank you very much. Here's $10.00. Give me $1.00 back, please.
太谢谢你了。这是10美元，找我1美元就行了。
But George's parrot, Henry, was still there.
但时乔治的鹦鹉亨利仍在那里。