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
which has been vacant for over a year now,
已空了一年多，
Where were you during the month of April last year?
去年四月份你在哪里？
She started to run to the boat.
她拔腿就往小船跑去。