protractor
英 [prə'træktə]
美[prə'træktɚ]
- n. 伸肌；分度器；伤处异物摘出器
英英释义
- 1. drafting instrument used to draw or measure angles
实用场景例句
- To draw to scale by means of a scale and protractor; plot.
- 测绘用圆规和量角器划线和角; 标绘.
期刊摘选
- Use your protractor to construct an equilateral triangle.
- 用量角器作一个等边三角形.
《简明英汉词典》
- I can't find my protractor.
- 我找不到我的半圆仪了.
期刊摘选
- It enables to produce various kinds of precision mechanical, electronic digital protractor and length measuring tools.
- 能生产各种精密的机械类和数显类角度量具, 长度量具等.
期刊摘选
- Step 3 : Use the hole punch to make a hole through the protractor.
- 步骤 三: 用打洞器在量角器上打一个洞.
期刊摘选
- This compass serves as a protractor.
- 这个罗盘可用作分度规.
辞典例句
中文词源
protractor 量角器，分度规
来自protract,拖延，延长。
双语例句
- 1. Use your protractor to construct an equilateral triangle.
- 用量角器作一个等边三角形.
来自《简明英汉词典》
- 2. This compass serves as a protractor.
- 这个罗盘可用作分度规.
来自辞典例句
- 3. To draw to scale by means of a scale and protractor; plot.
- 测绘用圆规和量角器划线和角; 标绘.
来自互联网
- 4. Screen angle indicator: A protractor with many co - centre circles.
- 网角指示器: 是一个带有很多同心圆的量角器.
来自互联网
- 5. I can't find my protractor.
- 我找不到我的半圆仪了.
来自互联网
英文词源
- 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.
词态变化
复数: protractors;