lay是什么意思

　　He has laid himself wide open to political attack.

　　他在政治上已经处于极易受到攻击的境地。

　　They had laid on a huge spread for the party.

　　他们为聚会安排了丰盛的食物。

　　The blocks should be laid on a bed of concrete.

　　石块应该固定在混凝土基座上。

　　He went out hoping to get laid that night.

　　他那天晚上外出希望找个女人睡一宿。