triangular pyramidal moleculetrigonal planar molecule三角: triangle; trigonometry; trig ...锥形: taper; cone; cone-shape分子: numerator molecule角锥形分级机: spitzkasten三角锥: broach; standard pyrometric cone; triangle pyramid; triangular file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:三角锥形分子，即可在微信中查询翻译
