Aerated density of catalyst
[机] 催化剂的充气比重
🧩 词语组成解析
a. 充气的；充入二氧化碳的；同空气混合的
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];
🗣️ 情景例句
OK. I'll let you get back to your work.
好，你过去工作吧。
If you're sure you're not in a hurry, I can use a little help.
如果你真的不忙的话，我可能要你帮个小忙。
the gangsters would quickly put a man out of business by destroying his shop.
歹徒们就会很快捣毁他的商店，让他破产。