protractor

• n. 伸肌；分度器；傷處異物摘出器

來自protract,拖延，延長。

protractor (n.)

1610s, "one who lengthens (an action)," from Medieval Latin protractor, agent noun from Latin protrahere "to draw forward" (see protraction); sense of "instrument for drawing angles" first recorded 1650s.

1. Use your protractor to construct an equilateral triangle.

用量角器作一個等邊三角形.

來自《簡明英漢詞典》

2. This compass serves as a protractor.

這個羅盤可用作分度規.

來自辭典例句

3. To draw to scale by means of a scale and protractor; plot.

測繪用圓規和量角器劃線和角; 標繪.

來自互聯網

4. Screen angle indicator: A protractor with many co - centre circles.

網角指示器: 是一個帶有很多同心圓的量角器.

來自互聯網

5. I can't find my protractor.

我找不到我的半圓儀了.

來自互聯網