Collimation
n. 校准, 准直\\n[化] 准直
🏥 医学释义
准直，对准
🗣️ 情景例句
She is a terrible student.
她是一个极糟的学生。
Would you mind calling back sometime?
你介意找个时间打电话回来吗？
No, thanks. It's big, but it isn't heavy. It's light.
不用了，谢谢，是大盒子，但不重。很轻。