grittersCOCA²⁵⁴³³⁷⁺⁶BNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 铺砂机原型gritter的复数 Gritters and snow ploughs are working overtime to keep the roads clear but for many people around the country the Christmas holidays have come early this year. 铺砂机和除雪车都超时工作，确保道路畅通，但是对于英国的许多人来说，今年的圣诞季节提早到来。 enfamily