0 a type of white blood cell involved in fighting disease and infection in the body, some of which produce antibodies (= proteins that attack and kill harmful bacteria) -- 淋巴細胞(一種扺抗體內疾病和感染的白血球,一些淋巴細胞還可以產生殺死有害細菌的抗體蛋白)
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
再长的路,一步步也能走完,再短的路,不迈开双脚也无法到达。