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trial noun 2act of testing sb/sth 测试ADJECTIVE | VERB + TRIAL | TRIAL + VERB | TRIAL + NOUN | PREPOSITION | PHRASES ADJECTIVEclinical, experimental, field 临床／实验性／现场试验◆If clinical trials are successful the drug could be on the market early next year.如果临床试验成功，这种药明年年初就有可能上市。human 人体试验◆Human trials of the vaccine could begin within two years.疫苗的人体试验可能在两年内开始。full-scale, large, large-scale 全面的试验；大范围的试验ongoing 正在进行的试验controlled, double-blind, randomized 对照／双盲／随机试验free 免费试用期◆There's a 30-day free trial of the software available.本软件有 30 天的免费试用期。◆We've got this vacuum cleaner on ten days' free trial.我们获得了这款真空吸尘器为期 10 天的免费试用机会。speed (BrE) , time (both sport 体育) 速度／时间试验Olympic 奥林匹克选拔赛VERB + TRIALcarry out, conduct, do, hold 做实验；进行试验complete 完成试验take part in 参加试验have (BrE) 接受试训◆He had a trial with Chelsea when he was young.他年轻时参加过切尔西队的试训。TRIAL + VERBdemonstrate sth, show sth 试验证明⋯／表明⋯◆The trial showed a dramatic reduction in side effects.试验表明副作用大幅度下降。find sth 试验发现⋯involve sb/sth, use sth 试验包括⋯；试验使用⋯◆a trial involving hundreds of patients一项涉及数百名病人的试验TRIAL + NOUNperiod 试用期◆She agreed to employ me for a trial period.她同意试用我一段时间。run 试跑◆They are treating this as a trial run for their marathon later this month.他们把这个看作是本月晚些时候马拉松赛的一次试跑。data, results 试验数据／结果version 试用版◆You can download a free 30-day trial version of the software.你可以下载该软件的 30 天免费试用版。project (especially BrE) , scheme (BrE) 试验方案balloon (= sth that you say to find out what people think about it before you do it) (NAmE) 试探性言论◆The President may simply be floating a trial balloon.总统的举动可能只是在试探。game (especially BrE) 预赛◆Gates played his second trial game in midfield.盖茨在中场第二次上场打预赛。separation 尝试性分居◆The couple agreed on a trial separation.这对夫妻同意尝试性分居。PREPOSITIONon trial 在试用中◆We had the machine on trial for a week.该机器我们试用了一个星期。under trial (especially BrE) 在试验中◆A new stocktaking system is currently under trial in the store.一种新的清点存货系统目前正在这家商店试用。PHRASESon a trial basis 以试验的形式◆The new system will be introduced on a trial basis.这个新系统将被引入试用。trial by fire (figurative, especially NAmE) 艰难的考验◆My first day at work was a trial by fire.我上班的第一天犹如经历了一场烈火考验。trial and error 反复试验◆We discovered the ideal mix of paint by trial and error.通过反复尝试，我们调出了理想的漆色。a trial of strength 实力的较量◆The dispute was regarded as a trial of strength by the unions.这场争论被工会看作是实力的较量。 |