adv. 一次,一趟;一倍;曾經(jīng);一旦;
conj. 一旦…就…;一經(jīng);
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(xì)菌一進(jìn)入血液里,就附著在紅細(xì)胞表面上。
近義:heretofore, occasionally, onetime, previously, sometimes, thereinbefore
adj. 確信的,確實(shí)的;有把握的;無疑的;一定的;
adv. 當(dāng)然;確實(shí)地;無疑地;
"Make sure the shelf is aligned with the top of the cupboard."
務(wù)必使擱架與櫥柜頂端對(duì)齊。
近義:inarguable, incontestable, incontrovertible, indefectible, indisputable, indubitable
反義:hesitant, hesitative, imprecise, improbable, inconclusive, indecisive