seventh的解释，在云词典中seventh是什么意思？

seventh

['sevәnθ]
num.
第七

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
Designating a scale or mode having half steps between the third and fourth and the seventh and eighth degrees.
长音阶的表示在第三和第四以及第七和第八度之间产有半拍的音阶或调式的
Dick has been in seventh heaven ever since he fell in love.
迪克自从恋爱以来一直就觉得异常幸福。
God blessed the seventh day and made it holy, because on that day he ceased from all the work he had set himself to do.
上帝赐福于第七天，称之为圣日，因那天他要做的一切都已完成，无须工作了。
God blessed the seventh day and sanctified it.
上帝祝福第七天并且使它成为神圣的日子。
He is a seventh- degree judo black belt. Besides, he belongs to a notorious underworld gang.
他是一位柔道七段的高手，而且他属于一个恶名著的黑社会帮派。
He was laid out in the seventh round.
他在第七回合中被打倒了。
Mary was in the seventh heaven; she had had a bicycle for her birthday.
玛丽在生日那天得到了一辆自行车，简直乐不可支。
Seventh
第七
The count is three and two with two away in the seventh.
现在是第七局，两好球三坏球，两人出局。