槽膜形成; 开沟
Furrow \Fur"row\, v. t. [imp. & p. p. {Furrowed}; p. pr. & vb. n. {Furrowing}.] [From {Furrow}, n.; cf. AS. fyrian.] 1. To cut a furrow in; to make furrows in; to plow; as, to furrow the ground or sea. --Shak. 2. To mark with channels or with wrinkles. Thou canst help time to furrow me with age. --Shak. Fair cheeks were furrowed with hot tears. --Byron.