Preproduction test
[化] 生产前试验
🧩 词语组成解析
[化] 试验性生产
🗣️ 情景例句
That's five points also.
也是五分。
I often go out in the morning.
我常常在早上出门。
There is another good reason for taking a part-time job.
干兼职工作还有一条充分的理由。