trial run
英 [ˌtraɪəl ˈrʌn]
美 [ˌtraɪəl ˈrʌn]
n. (对新事物的)初步试验，试行
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
- a sample for ten days free trial
- a trial of progesterone failed to relieve the pain
双语例句
- If a petrochemical feedstock manufacturer needs petroleum products for a trial run.
二制造石化原料工厂之试车，需使用石油制品。 - The result of the trial run is too bad.
试车的结果太糟糕了。 - Sometime in2020 we can see a trial run of a high speed railway by which time the whole of China will be covered by bullet trains.
在2020年的某个时候，我们能看到高速火车的试跑，那个时候，整个中国已经遍布高速火车了。 - Preparing work and trial run for a new built PET plant start-up;
介绍了胶片冷却装置和袋式除尘器的试车和验收的多项工作。 - 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。 - Submit engineering design, procurement, construction and trial run service in earlier stage with details, and comply with engineering and planning requirements.
及时有效的交付含有细节描述的工程设计、采购、施工和前期试运行服务，并与工程和策划要求一致。 - Then came the day of its trial run.
接着试车的日子来到了。 - During trial run, both parties shall cooperate to further test and optimize the performance of the works.
试运行期间，双方应共同进行进一步试验及优化工程性能。 - It is the first trial run of the first set of steam locomotive of China&'Dragon Locomotive '.
这是中国第一台蒸汽机车&“龙号机车”的首次试运行。 - 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。