trial and error 反复试验；不断摸索 the process of solving a problem by trying various methods until you find a method that is successful

Clinical trials of the new drug may take five years. Preliminary results show that the vaccine is effective, but this has to be confirmed by further medical trials. We've got a law

Robots are currently under a two-year trial in Wales which will train "farmbots" to herd, monitor the health of livestock, and make sure there is enough pasture for them to graze o

criminal trial 刑事 fair trial [法]公平 field trial （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 time tr

The meaning of TRIAL is the formal examination before a competent tribunal of the matter in issue in a civil or criminal cause in order to determine such issue.

网络释义 1. trial: 审判 | 试验 | 审讯 | 试用 2. clinical trial: 临床试验 | 临床实验 | 临床研究 3. trial balance: 试算平衡 | 电子表格 | 试算平衡�

In law, a trial is a coming together of parties to a dispute, to present information (in the form of evidence) in a tribunal, a formal setting with the authority to adjudicate clai

"he had a fair trial and the jury found him guilty" (sports) a preliminary competition to determine qualifications; "the trials for the semifinals began yesterday" an annoying or f

autumn trial (judicial hearing of capital cases during Ming and Qing) — Nikolai Ivanovich Bukharin (1888-1938), Soviet revolutionary theorist, executed after a show trial in 1937

N-VAR A trial is an experiment in which you test something by using it or doing it for a period of time to see how well it works. If something is on trial, it is being tested in th