例句：Do not expend all your energy on such a useless job.
不要把你的精力全花費(fèi)在這無(wú)用的工作上。
expenditure n. 支出，花費(fèi)
例句：The government intends to cut expenditure on arms.
政府打算削減軍備開(kāi)支。
pendulum n. 鐘擺，搖捶
例句：The baby stared at the pendulum with great interest, which swingswith greatregularity.
那個(gè)嬰兒極有興趣地看著鐘擺，那個(gè)鐘擺很有規(guī)律地?cái)[動(dòng)著。
suspend vt. 吊，懸掛v. 延緩，暫停
例句：The policeman was suspended while the complaint was investigated.
因該警察遭投訴，在調(diào)查期間已令其暫停職務(wù)。
suspension n. 吊，懸浮，暫停，停止，懸而未決，延遲
例句：The headmaster has made a decision of suspension of a pupil fromschool.
校長(zhǎng)已經(jīng)做出對(duì)一名學(xué)生停學(xué)處分的決定。
