Collimators
n. 准直仪; 描准仪
🗣️ 情景例句
Yes, what can I do for you?
是的，我能为您效劳吗？
He that would have eggs must endure the cackling of hens.
欲图逸，得先劳。
I have a question about this quotation you submitted.
你提出的报价我有问题。