rear sectional surface后: behind; back; rear切面: tangent plane section cut no ...切面: 1.[数学] tangent plane2.(剖面)section3.(面条) cut noodles; machine-made noodles耳后切口: postauricular incision术后切口疝: postoperative incisional hernia下载手机词典可随时随地查词查翻译