Arca measurement of catalyst
[机] 催化剂表面积测定
🧩 词语组成解析
n. 槟榔树或其果实
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
Are there any tours for the Grand Canyon?
有到大峡谷的旅游团吗？
What right do you have to tell me what to do?
你凭什么指使我？
Take it easy.
别紧张。