sheltered berth有: 5年 fifteen years屏障: protective screen的: 4次方是 The fourth power of 2 i ...泊位: berth; berthage有屏障的港池: sheltered basin; sheltered dock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:有屏障的泊位,即可在微信中查询翻译