| 释义 |
〔vallecula〕A shallow groove, depression, or furrow, as between the hemispheres of the brain.（线）沟：浅浅的沟、凹陷或槽，如大脑两个半球之间的浅沟〔drill〕A shallow trench or furrow in which seeds are planted.条播沟：撒种的浅沟或犁沟〔draw〕A small natural depression that water drains into; a shallow gully.溪谷：排水的天然凹陷地；浅沟 |