seventh
['sevnθ]
num.第七, 七分之一
例句与用法：
Just give him a bucket and spade and he's in seventh heaven!
只要给他一个桶子和一把铲子，他就高兴极了！
He was laid out in the seventh round.
他在第七回合中被打倒了。
A chord consisting of a root with its third, seventh, and ninth.
九和弦由第三、第七和第九三个基础音组成的和弦
It has just entered the seventh edition.
它刚出版了第七版。
The child was in his seventh heaven with his new toys.
那小孩玩着新玩具真是快乐极了。
详细释义：
a.
1. (与the连用)第七的, 第七个的
2. 七分之一的
n.[C]
1. (与the连用)第七(个); 月的第七日
2. 七分之一
A seventh of the profit will be sent to charity.
七分之一的利润将捐赠慈善事业。
3. 【音】七度音程; 第七音级; 七度和音