Combination of gases
[建] 气体的混合
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 气体
🗣️ 情景例句
Listen, Richard,doing aerobics for an hour is a lot different than lifting weights.
听着， Richard，一小时的有氧运动可与举重大不相同。
Have you ever thought about a career in the medical profession?
你曾经在医药专业考虑职业吗？
I arrived in London at last.
我终于到了伦敦。