A sound understanding of a wide variety of 是什么词性A sound understanding of a wide variety of subjects helps students to find a job.两个of都是形容词嘛?

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A sound understanding of a wide variety of 是什么词性A sound understanding of a wide variety of subjects helps students to find a job.两个of都是形容词嘛?

A sound understanding of a wide variety of 是什么词性A sound understanding of a wide variety of subjects helps students to find a job.两个of都是形容词嘛?
A sound understanding of a wide variety of 是什么词性
A sound understanding of a wide variety of subjects helps students to find a job.两个of都是形容词嘛?

A sound understanding of a wide variety of 是什么词性A sound understanding of a wide variety of subjects helps students to find a job.两个of都是形容词嘛?
A sound understanding of...对.良好的理解
a variety of ...大量的
sound 良好的 wide范围大的
of 为介词
A sound understanding of a wide variety of subjects（主语）
helps(谓语) students(宾语) to find a job(宾语补足语)

of是介词。A sound understanding of表示 ……的良好认识，A sound understanding of a wide variety of subjects是主语，第二个of与a wide variety构成词组，修饰subjects

a sound mind in a sound body A sound mind in a sound body. a sound mind is a sound body? a sound sleep中sound是什么词性 have a sound sleep turn a sound do a sound a sound of sense make a sound Not a sound,please! ___the music___beautiful?A.Is;sound B.Does;sound C.Do;sound D.Are;sound Sound sound make the sound of a Love you without a sound have a sound 顺便说一下,have a sound sleep=be a sound sleeper 100分求个演讲稿.a sound body or sound mind Can you hear the____of the birds?It____very beautiful.A.sound,sound B.sounds,soundsC.sounds,sound D.sound,sounds