Pedometers
(pedometer 的复数) n. 步数计, 步程计\\n[医] 婴儿测量器; 步数计
🗣️ 情景例句
You know I'm very excited about his arrival.
知道我对他的到来是多么兴奋。
Your appointment will be next Thursday at 10 o'clock.
你的约会时间将是下一星期四的10点钟。
and if a single curved glass would distort nature, how much more would a pair of them?
何况一片曲面镜就可歪曲自然，那么伽利略的两片曲面镜对自然的歪曲又该多大呢？