“浮动”常见的英文表达有 float、fluctuate、be afloat 等,具体使用哪个词取决于语境:
float:
动词:意为“漂浮;浮动;使漂浮;使浮动”,也可引申为“(货币)浮动;自由流通” 。例如:The boat floated gently down the river.(船缓缓地顺流而下。)The exchange rate is allowed to float freely.(汇率允许自由浮动。)
形容词:意为“漂浮的;流动的;浮动的”。例如:a float valve(浮阀)
fluctuate:
动词:主要指“(大小、数量、质量等)波动,起伏;涨落;动摇”,常用来描述价格、温度、情绪等不稳定、有变化的情况。例如:The price of oil fluctuates wildly.(油价波动剧烈。)My mood seems to fluctuate from day to day.(我的情绪似乎一天天在波动。)
be afloat:
短语:意为“漂浮着;继续存在;不负债;有足够资金维持运营” 。例如:The ship was still afloat after the storm.(风暴过后,船仍然漂浮着。)The company managed to stay afloat during the economic crisis.(这家公司在经济危机期间设法维持了运营。)