槽膜形成; 開溝
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.