report [rɪ'pɔrt] 词频1 词根: port

n. 报告;成绩报告单;传闻;流言蜚语; vt.& vi. 报道;公布;宣告; vt. 告发，举报;使报到;

💡 re回+port拿，带→ 把消息、情况等带回来→ 报告，汇报

"This report is an acknowledgement of the size of the problem."

近义：refer, relate, tell, broadcast, communicate, convey 反义：hide, mask, occult, screen, secrete, shade

office ['ɔfɪs] 词频1 词根: of

n. 办公室;办公楼;问询处;重要官职;

💡 fac, fect, fic, fig, fea =make,do,表示”做,制作”

"The office was light and airy."

近义：organisation, organization, bureau, department, agency, entity

back [bæk] 词频1

n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背; vt. 使后退;支持;加背书于;下赌注于; vi. 后退;倒退; adj. 背部的;后面的;以前的;拖欠的; adv. 以前;向后地;

"Water allotments to farmers were cut back in the drought."

近义：second, support, endorse, illustrate, document, backtrack 反义：impel, inch, save, loop, sheer, slew

head [hed] 词频1 词根: /hi:/

n. 上端;头脑;头部;首脑，首长; vt. 用头顶;前进;作为…的首领;站在…的前头; vi. 朝…行进;出发;向…方向移动;船驶往; adj. 头的;在前头的;首要的;在顶端的;

💡 他（he) 头大做了帽子 广告 网友：difficult 补充：

"They have appointed a new head teacher at my son's school."

近义：lead, manage, skipper, command, captain, conduct