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n (1) 1)幾何平面 (即能使面上任意兩點(diǎn)的連接線整個(gè)落在上面的表面) (surface such that a straight line joining any two points in it lies only on that surface) [C]～geometry平面幾何; 2)平面 (flat or level surface) [C]： It's safer to drive on the～. 在平坦的路面上駕車更安全。The roof was a perfectly～. 房頂十分平。an inclined～斜面;～sailing 平面航行法;

(2)水平(standard; level) [C] (fig)： a high～of achievement 高水平的成就;reach a higher～of development 達(dá)到較高水平的發(fā)展;The discussion was on too low a～for me. 這個(gè)討論對(duì)我來(lái)說(shuō)水平太低。keep your work at a high～使工作保持在高水平;keep the conversation on a friendly～使談話保持友好的氣氛;〖同〗level，condition，position，degree;

adj 平(面)的 (completely flat and smooth)： a～surface 一個(gè)平面;a～figure 平面(二維)圖形;The surface must be completely～. 表面必須十分平?！纪絝lat，level;

vi(飛機(jī))滑翔 ((of an aeroplane) glide) [I， I+adv]： The aircraft～d down before landing. 飛機(jī)在著陸前向下滑翔。

→′plane-table n 平板儀