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
We were exposed to the latest theories on child care.
我们接触过有关幻儿保育的最新理论。
I told him last Tuesday.
我上个星期二告诉他。
It was coming round the corner.
它正驶到拐弯处。