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
adj. 最小的;最少的( little的最高級);最不重要的,地位最低的;
adv. 最少,最小;
n. 最小;最少量;
"We need at least 24 hours' notice of cancellation."
如欲取消,請至少提前24小時告知。
近義:lowest, lowliest, measly, merest, minimal, minimum
反義:maximal, meridian, top, upmost, uppermost, greatest