trial

a new drug that is undergoing clinical trials.正在接受临床试验的一种新药

on trial,在试验中；在受审

clinical trial,临床试验；诊治试验

trial production,产品试制

trial and error,反复试验；尝试错误法

trial run,试车；试验；测试运行

free trial,免费试用

trials and tribulations,艰难困苦；痛苦与磨难

trial period,试用期

trial order,试订单；试用订货

first trial,初审；初次试验

trial implementation,试行

criminal trial,刑事审判

fair trial,[法]公平审判

field trial,（新产品等的）现场试验；（猎狗）实地追猎选拔或测试

trial version,试用版

civil trial,民事审判

time trial,计时赛；计时游；计时测验

by trial and error,反复试验，不断摸索

stand trial,在受审

court trial,法庭审判