这艘核动力潜艇在深海长期巡航,几乎不留下可追踪的声学信号。Zhè sōu hé dònglì qiántǐng zài shēnhǎi chángqī xúnháng, jīhū bù liúxià kě zhuīzōng de shēngxué xìnhào.This nuclear-powered submarine patrols the deep sea for long periods, leaving almost no traceable acoustic signal.
潜艇慢慢沉入海里,消失在蓝色深处。Qiántǐng mànmàn chénrù hǎi lǐ, xiāoshī zài lán sè shēnchù.The submarine slowly sank into the sea and vanished into the blue depths.
弟弟最大的愿望是坐一次真正的潜艇。Dìdi zuì dà de yuànwàng shì zuò yī cì zhēnzhèng de qiántǐng.My little brother's biggest wish is to ride a real submarine once.