短語詞組短語Be covered by snow 被積雪所覆蓋be covered by us 由我方負(fù)擔(dān)be covered by sth 被某物覆蓋Must be covered by 每個多邊形要素都要被另一個要素類中的單個多邊形覆蓋Must Be Covered By Line 必須被線覆蓋be covered with by hand 用手TO BE COVERED BY BUYER 由買方;將涉及的買方Boundary Must be covered By 邊界必須被覆蓋be covered over by sth 被…覆蓋 返回 be covered by