Optometry
n. 视力测定(法), 验光配镜(法)\\n[医] 视力测定法, 验光[法]
🗣️ 情景例句
Are you good at taking photos?
你拍照拍得好吗？
What the hell are you doing?
你到底在做什么？
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望远镜于1990年4月20日由国家航空航天局发射升空，耗资10多亿美元。