Collimator
n. 准直仪\\n[化] 准直管; 平行光管
🏥 医学释义
准直器，平行光管
🗣️ 情景例句
whom I think you've met once or twice before.
我想你以前见过他一两次面。
Punctuality is the soul of business.
严守时间是办事情的重要原则。
You were very angry!
你火气真大！