trial run

英 [ˌtraɪəl ˈrʌn]

美 [ˌtraɪəl ˈrʌn]

n.  (对新事物的)初步试验，试行

经济

牛津词典

noun

• （对新事物的）初步试验，试行
  a test of how well sth new works, so that you can see if any changes are necessary

柯林斯词典

• 初步试验;试行
  Atrial runis a first attempt at doing something to make sure you can do it properly.

英英释义

noun

• trying something to find out about it
  1. a sample for ten days free trial
  2. a trial of progesterone failed to relieve the pain
  Synonym:trialtesttryout

双语例句

• Eg. a trial run is needed before the machine is put into operation.
  在机器投入运行前，要先进行试车。
• The machine failed on its trial run.
  但这部机器的试车失败了。
• We gave the machine a trial run before using it on the production line.
  我们先让这台机器进行试转，然后再用于生产线。
• He gave the machine a trial run.
  他试了一下这部机器。
• When they started the trial run, they heard someone shouting from the rear end of the machine.
  当他们尝试运转机器时，听见有人在机器末端大叫。
• Then came the day of its trial run.
  接着试车的日子来到了。
• Should he come, he would be able to examine the trial run of the machine.
  如果他来，他就能检验这台机器的试车情况了。上传：第八号当铺。
• The car crashed during its trial run.
  这车在试车时撞坏了。
• Take the car for a trial run to see if you like it.
  试试运行那辆汽车，看看你是否喜欢。
• Have the process instructions been verified during extended trial run ( s) to ensure they can be performed?
  工序说明在延长了的试运行期间是否已经得到验证以此来证明可行？