in and out
進(jìn)進(jìn)出出； 曲曲彎彎； 一來(lái)一往
該短語(yǔ)在句中一般充當(dāng)狀語(yǔ).
如：
The boy chased his sister in and out among the bushes.
那個(gè)男孩在灌木叢里跟著他姐姐追過(guò)來(lái)追過(guò)去.
Lying as it does in the deep waters of the Western Pacific, Japan winds in and out like a snake from southwest to northeast, a distance of more than two thousand miles.
日本這個(gè)國(guó)家位于西太平洋的深水地帶, 像蛇一樣彎彎曲曲地自西南向東北延伸, 全長(zhǎng)兩千多英里.
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