基本解釋[政治學]平潮期英漢例句雙語例句Each time the current changes directions, a period of no current, known as slack water, intervenes.每當潮流改變方向時,中間都有一段叫做平潮的無潮流階段。8875.orgslack water period更多例句專業(yè)釋義政治學平潮期