parabolic point抛: throw; toss; fling物: thing; matter; object点: drop曲面的抛物点: parabolic point of a surface物点: object point; point of object下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:抛物点，即可在微信中查询翻译
