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
found
[faʊnd]
词频1
词根: found
vt. 创办,成立,建立;
v. 发现( find的过去式);找到;到达;发觉;
💡 found基础 → 为(房屋等)打基础,建立,创立
"In some stories, genies are always found inside a lamp or bottle."
在一些故事里, 灯里或瓶子中总是装有妖怪.
近义:base, ground, establish, institute, mount, rest
反义:invalidate, abrogate, negate, nullify, omit, outlaw