Chemical accelerator

[化] 化學加速劑; 化學促進劑; 化學加速器

?? 詞語組成解析

chemical ['k?m?kl]
adj. 化學的;用化學方法制造的，化學作用的; n. 化學藥品，化學制品;
chem化學 + ical ...的 → a.化學的 n.化學制品
accelerator [?k'sel?reit?]
n. 加速器;催速劑;

??? 情景例句

She's worked two jobs for years.
幾年來他一直同時做兩個工作。
Did you go to the hospital last night?
你昨晚去醫院了嗎？
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用語言同別人交流思想，知識的積累便開始了。
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