rock

A2高頻度 NGSL-1
/rɒk/ /rɑːk/

意味

noun
揺れる
the hard solid material that forms part of the surface of the earth and some other planets
They drilled through several layers of rock to reach the oil.
verb
揺れる
to move gently backwards and forwards or from side to side; to make somebody/something move in this way
(+ adv./prep.), The boat rocked from side to side in the waves.

動画の実例

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And so rock bottom became the solid foundation on which I rebuilt my life.

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