以及 yǐjí HSK4 as well as Origin Definitions Defs Strokes Stroke Words Sentences Sents 以 yǐ preposition by means of to use; by means of; with; using the tool or method introduced及 jí conjunction and Used in formal or written contexts to link nouns or noun phrases, often placing the more important item first; similar to 和 hé or 跟 gēn