Mice that lack the receptor do not become dependent no matter how much cocaine they are given. 缺少這個(gè)受體的小鼠，無(wú)論服用過(guò)多少古柯堿，都不會(huì )上癮。
If the GCMS fingerprint of a sample matches that of heroin or cocaine, it is nearly impossible for even the best defense lawyer to challenge the result successfully. 如果樣品透過(guò)氣相層析質(zhì)譜分析儀呈現出來(lái)的特徵，符合海洛因或古柯堿，那麼就算是請到王牌辯護律師，也不可能成功打敗這樣的結果。
The drug addict was snorting cocaine every night. 這個(gè)癮君子每天晚上都用鼻吸食可卡因。
Stephen has just confessed to taking cocaine. 史蒂芬剛剛坦白說(shuō)自己吸食過(guò)可卡因。
