Protractor
[ [prə'træktə] ]
初中 Junior High
n. 拖延者, 分度器, 牵引肌, 钳取器\\n[医] 取钳器
📖 牛津释义
protractor
n
instrument, usu in the form of a semi-circle with degrees (0 to 180) marked on it, used for measuring and drawing angles 量角器; 分度规.
🗣️ 情景例句
By 12.01, those fluctuations will already have created small errors one foot away.
到12∶01时,那些波动就已经会在1英尺远的地方造成偏差。
更多情景英语 ›