widen
v[I, Tn]
(cause sth to) become wider (使某物)变宽; 加宽; 放宽
The road is being widened.这条路正在拓宽.
He wants to widen his knowledge of the industry. 他想扩充自己在这一行业的知识.
They had to work inside the ship, cutting away old metal, fixing new metal plates, drilling holes, laying electrical and phone wires and fixing new pipes for water and steam.
他们要在船舱里工作,切掉旧的金属,焊接新的金属板,钻孔,埋电线和电话线以及安装新的水管和蒸汽管。
He read many books and paused in his work at six every evening for prayers, even when he was with other world leaders.