protractor是什么意思音标:英 [prәu'træktә]

n. 拖延者, 分度器, 牵引肌, 钳取器
[医] 取钳器

n. drafting instrument used to draw or measure angles

protractor的用法和例句：

1.You would always wish for more protractors, which was weird.

你总会许愿有更多分度器 那个好怪

2.She stabbed her stepbrother in the neck with a protractor.

她用量角器捅了她继母的脖子