protractor
n. 伸肌；分度器；伤处异物摘出器
复数 protractors
例句
Draw to scale by means of a scale and protractor.
通过比例尺和量角器按比例绘制。
This compass serves as a protractor.
这个罗盘可用作分度规。
How to click on option in select box in Protractor test?
如何在点击选择框在量角器测试选项？
