Collimator tube
[建] 准直管, 平行光管
🧩 词语组成解析
n. 准直仪\\n[化] 准直管; 平行光管
🗣️ 情景例句
But with only one more year to go, you would be well-advised to finish.
可是只剩下一年了，你要是明智的话就应该学完。
Is the departure time on schedule?
起飞时间准时吗？
Twenty year!That's long time.
20年！这个时间可不短。