Collimators
n. 准直仪; 描准仪
🗣️ 情景例句
Would you tell me some more details?
你能讲得详细点吗？
Will you speak more slowly?
请你说慢一点好吗？
I can't see them there. Did you buy any this morning?
桌子下面没有。你今天早晨买了吗？