frontn.正面；前面；前线；【气象学】锋vt.朝向；面对；对付vi.面朝；掩护adj.前面的front rise前直裆front yoke前支座front room前屋； 起居室,=living roomfront turn向前转身front deck前舱front pump前泵front stop前光阑front axle前桥,前轴front sway摆头front boom前臂