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submarine的复数形式为：submarines...
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He detected a ship moving down the starboard side of the submarine.他发现有一艘船正在潜艇的右侧航行。We were trying to plot the course of the submarine.我们试图标绘出潜艇的航线图。In contrast with its surface fleet, Britain's submarine force was ...
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...the submarine's propulsion system.潜水艇的推进系统We were trying to plot the course of the submarine.我们试图标绘出潜艇的航线图。...submarine caves.海底洞穴Submarine and carrier aircraft were the menaces the great guns could not fight.潜艇和...
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submarine的音标：submarine的英式发音音标为：[ˌsʌbmə'ri:n]submarine的美式发音音标为：['sʌbməˌrin, ˌsʌbmə'rin]...
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submarine的第三人称单数（三单）为：submarines...
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submarine的现在进行时为：submarining...
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submarine的一般过去时为：submarined...
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submarine的现在完成时为：submarined...