face [fes] 词频1 词根: fac

n. 面容;表面;脸;方面; vt.& vi. 面对;面向…;正视;承认; vt. （感到不能）对付;（明知不好办而）交谈;必须对付（某情况）;面临…;

💡 face=fac表示脸、面 → 脸；表面；外表

"He screwed up his face at the nasty smell."

近义：tackle, brave, breast, confront, front, overlook 反义：parry, avert, prevent, shirk, shun, sidestep

outdoor ['autdɔ:] 词频1

adj. 户外的，露天的;喜欢户外活动的;（医院等）院外的;室外;

"Breathable, waterproof clothing is essential for most outdoor sports."

近义：outer, outside, outward, exterior, external, outdoors 反义：inland, inner, inside, interior, inward

down [daʊn] 词频1

adv. （坐、倒、躺）下;向下;（表示范围或顺序的限度）下至; prep. （从高处）向下;（表示位置）在…的下方;（表示方向）沿着…向下;（表示时间）自…以来; adj. 向下的;沮丧的;计算机或计算机系统停机;（以…）落后于对手的; n. （鸟的）绒羽;绒毛;软毛;汗毛; vt. 放下;（尤指大口或快速地）喝下;使摔倒;击落（敌机等）; vi. [常用于祈使句中]下去;下来;卧倒;下降;

💡 音“铛”，铛的一声向下 落

"Calm down! Don't get so agitated."

近义：lint, fluff, fuzz, ingurgitate, quaff, swallow 反义：above, overhead, upstairs, upward, upwards, aloft

skiing ['ski:iŋ]

n. 滑雪（运动）; v. 滑雪( ski的现在分词 );

"I'm a complete novice at skiing."

knocking

[机] 爆震内燃机

近义：hit, hitting, knock, pound, pounding, rap

trees

n. 树木；乔木；树状结构（tree的复数）

近义：woodland