pron. 某人,有人;
n. 某個人;
?? some某些+one一個 → 某人
"Someone must have blabbed to the police."
一定有人向警方告密了。
近義:anybody, anyone, one, somebody
adj. 有用的,有益的,有幫助的;令人滿意的;
?? use用+ful可…的” →有用的
"The memory expansion cards are useful adjuncts to the computer."
內存擴充卡是計算機很有用的附件。
近義:helpful, assistive, available, profitable, purposive, serviceable
反義:idle, inane, ineffective, insignificant, lousy, needless
n. [機]動力,功率;力量;政權,權力;強國,大國;
vt. 運轉;用發動機發動;使…有力量;
vi. 靠動力行進;快速行進;
adj. 權力的;機械能的,電動的;用電力(或動力)發動的;
"The engine is being specially adapted to increase its power."
正在對這臺引擎進行改裝以增加它的功率.
近義:move, operate, activate, actuate, energise, energize
反義:incapacity, powerlessness, weariness, impotency, impotentness, impossibility