period of flood and ebb涨落: rise and fall; fluctuate潮: tide周期: period; cycle; circle; revol ...涨落潮时间: duration of tide涨落潮闸门: ebb and flow gate下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:涨落潮周期，即可在微信中查询翻译
