circulate ['sɝkjəlet] 词频3 词根: circ

vt.& vi. （使）循环;（使）流通;（使）流传;散布; vi. 传送，传递，传阅;

💡 circul=cirle圆，环+ate使...→绕圈走→循环

"You will have a chance to circulate and chat informally."

近义：move, pass, roam, transit, walk, outspread 反义：quit, rest, stand, cease, desist, end

control [kən'trol] 词频1 词根: 转动

vt. 控制;管理;限制;支配; n. 支配权;操纵者;（对国家、地区、机构等的）管理权;（键盘上的）控制键;

"The pilot was given clearance to land by air traffic control."

近义：rig, manipulate, manage, operate, regulate, run 反义：obey, follow, heed, hold, honor, keep

means [minz] 词频2 词根: 心智

n. 方法（ mean的名词复数）;手段;收入;财富; v. 意味着（ mean的第三人称单数）;引起;打算或注定要某人成为或做某事;

"The inquiry is by no means cut and dried."

近义：approach, manner, method, mode, process, strategy

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

drill [drɪl] 词频2 词根: dr-

n. 操练;钻头;军事训练;（应对紧急情况的）演习; vt.& vi. 钻（孔）;打（眼）;操练;训练; vt. 作…演习，操练;

💡 锥哦(谐音）: 练习 钻孔

"After a long drill, the commander told his men to fall out."

近义：instruction, learning, schooling, teaching, training, tuition