chronic hazard慢性: slow in taking effect危害: harm; endanger; detriment; d ...慢性危害,慢性损伤: chronic injury毒性危害: toxicity hazard毒性危害区: toxicity hazard zone下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:慢性危害,即可在微信中查询翻译