七: Ⅰ数词(六加一后所得) seven 短语和例子第七 seventh; 第十七 seventeenth; 七年 septenate; seven years; 乱七八糟 at sixes and sevens; in a mess; 十七 seventeenⅡ名词1.(旧时人死后每隔七天祭一次, 直到四十九天为止, 共分七个“七”) a seventh day after d
沟: 名词1.(挖掘的水道或工事) channel; ditch; gutter; trench 短语和例子交通沟 communication trench; 排水沟 drainage ditch; drain; 阴沟 drain; sewer; 挖一道沟 dig a ditch; 沟里的水不很清洁。 the water in the ditch is not very clea
