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
He has enormous funds at his command.
他掌握着巨额资金。
Lookers-on see most of the games.
旁观者清。
The tree has grown against a warm wall on a sheltered side of the house.
那棵树是靠着房子有遮挡的一面暖墙生长的。