Collimators
n. 准直仪; 描准仪
🗣️ 情景例句
Matches.
火柴。
His heart cannot be pure whose tongue is not clear.
嘴不净者心不纯。
Luckily the weather was not so wet as it is today.
幸运的是，那天的天气不像今天这样有雨。