| 单词 | perpendicular angle |
| 释义 | perpendicular angle WordReference English-Chinese Dictionary © 2019:主要翻译英语中文perpendicular angle nnoun: Refers to person, place, thing, quality, etc. (right angle, 90-degree angle)直角 zhí jiǎo 90°角 A rectangle has four perpendicular angles. |
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