adv. 一次,一趟;一倍;曾經;一旦;
conj. 一旦…就…;一經;
n. 一次,一回;
?? on=one一+ce次 → 一次
"Once in the bloodstream, the bacteria adhere to the surface of the red cells."
細菌一進入血液里,就附著在紅細胞表面上。
近義:heretofore, occasionally, onetime, previously, sometimes, thereinbefore
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