Opium is classed under the head of narcotic.鸦片是归入麻醉剂一类的东西....hormones that have a narcotic effect on the immune system.对免疫系统有麻醉作用的激素They use opium as a sedative, rather than as a narcotic.他们把鸦片用作镇静剂而不是毒品。He appears to be...
He complained of an earache.他主诉有耳痛。Blowing your nose too hard can cause earache.擤鼻涕太用力会造成耳痛。The disease can also cause a build up of pressure in the inner ear leading to severe earache.该疾病还会引起内耳的压力增加，从而导致剧烈的耳痛。...
A container experiment was conducted to study clonal integration of stoloniferous Fragaria vesca under light heterogeneity.通过盆栽实验,研究了匍匐茎草本野草莓在异质性光照条件下的克隆整合....
这种植物闻着刺鼻，吃着辣口。The plant has an unpleasant odour and an acrid taste.味道既苦又辣得呛鼻。The taste is bitter and disagreeably pungent.烤牛肉加辣根酱roast beef and horseradish...