expend vt. 花费，消耗，支出，把（暂时不用的绳）绕在杆上
例句：Do not expend all your energy on such a useless job.
不要把你的精力全花费在这无用的工作上。
expenditure n. 支出，花费
例句：The government intends to cut expenditure on arms.
政府打算削减军备开支。
pendulum n. 钟摆，摇捶
例句：The baby stared at the pendulum with great interest,which swings with great regularity.
那个婴儿极有兴趣地看着钟摆，那个钟摆很有规律地摆动着。
suspend vt. 吊，悬挂 v. 延缓，暂停
例句：The policeman was suspended while the complaint was investigated.
因该警察遭投诉，在调查期间已令其暂停职务。
suspension n. 吊，悬浮，暂停，停止，悬而未决，延迟
例句：The headmaster has made a decision of suspension of a pupil from school.
校长已经做出对一名学生停学处分的决定。
