to prep.对于;为了;(表示方向)到;向;(表示间接关系)给adv.(表示方向)去;(门)关上
双语例句
A raised tank or hopper that maintains a constant pressure or supply to a system, especially the small tank that supplies water to a central heating system. 蓄水塔一个处于高处的用以维持某系统的稳压或供给状况的水箱或漏斗,尤指将水供给中央供暖系统的小水箱
A flight garment worn by astronauts and jet pilots that presses on the lower body to maintain the blood supply to the brain during rapid vertical acceleration. 抗荷衣宇航员或喷气机飞行员穿的飞行服,在快速垂直加速中增加身体下部的压力以保持脑部血液供应