形 wide，broad，generous，lenient；动 relax，relieve，extend；名 width，breadth，a surname ；

[例句] 河流转向东流时河道大幅度变宽。 The river widens considerably as it begins to turn east.

[例句] 这些蜗牛体宽不超过1厘米。 The snails are no larger than one centimetre across.