Acitvity rating of catalyst

[機] 催化劑的活性率

?? 詞語組成解析

rating ['ret??]
n. 等級;評估，評價;極限;收聽率，收視率; v. 估價( rate的現在分詞);定級;
rat =calculate 計算 + ing [名詞后綴],構成抽象名詞 → n. 等級,評定結果，收視(聽)率
of [?v]
prep. 關于;屬于…的;由…制成; aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
catalyst ['k?t?l?st]
n. <化>觸媒，催化劑;〈比喻〉觸發因素;促進因素;〈口〉有感染力的人;
cata向下+lyst裂開，分解→分解下去→催化[劑]

??? 情景例句

I don't know.
我不知道。
Moving away
正在移開
Whenever the Italian city-states were at war with each other, Hawkwood used to hire his soldiers to princes who were willing to pay the high price he demanded.
每次意大利各城邦之間打伏，霍克伍德把他的士兵雇傭給愿給他出高價的君主。
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?? 更多 A 開頭的單詞

a lot of [? 'l?t ?v]
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