adv. 一次,一趟;一倍;曾经;一旦;
conj. 一旦…就…;一经;
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."
细菌一进入血液里,就附着在红细胞表面上。
近义:heretofore, occasionally, onetime, previously, sometimes, thereinbefore
adj. 较好的;更合适的;能力更强的;好转的;
adv. 更好地;更妥;更;
v. 胜过;上进;
n. 更好者;更有才智者;
"We're hoping for better weather tomorrow."
我们希望明天天气转好。
近义:improve, perfect, upgrade, meliorate, complete, enrich
反义:intensify, worsen, aggravate, deteriorate, exacerbate, lousy