Support of the catalyst
[化] 催化剂载体
🧩 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];
the
[ðə]
art. 指已提到的人（物）;指说话人与听者已知的人（物）;用于独一无二的事物前;与形容词最高级和序数词连用;
🗣️ 情景例句
When did the Roman Empire come into being?
罗马帝国是什么时候形成的？
There is a time to speak and a time to be silent.
该说话时说话，该沈默时沈默。
I see, we'll take another look at your specifications.
哦，我们会再查一直你们的规格说明书。