| 砒 arsenic white arsenic | | 砒石 arsenolite | | 砒酸 arsenic acid | | 砒酸钙 calcium arsenate | | 砒霜 arsenic | | 砒霜中毒 arsenic poisoning | | 研 grind | | 研修 research and studies | | 研修生 personnel engaged in researc... | | 研制 prepare | | 研制新式武器 develop new weapons prepare ... | | 研同 "砚" | | 研墨 rub an ink stick on an inksl... | | 研成粉末 grind into fine powder | | 研杵 pestle | | 研棒 pestle | | 研磨 grind | | 研究 study | | 研究中国古物的权威 an authority on Chinese anti... | | 研究中心 research centre | | 研究人类的进化 study the evolution of man | | 研究员 research fellow | | 研究周围事变的联系 look into the relations of e... | | 研究对敌斗争的策略 study the tactics of our str... | | 研究对象 object of study |
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