unnavigable

常見例句

• "We see the foundations wearing away, the stone steps crumbling, the unnavigable canals.
  他說：“我們眼看著地基逐漸磨損，石頭臺(tái)階碎裂，河道也不再通航。”
• It is 822 mi (1,323 km) long.It is torrential for most of its course and is unnavigable.
  它長(zhǎng)約822哩（1,323公里），由于其大部分河段皆湍急洶涌，故難以航行。
• Corporate Websites: I recently co-judged a competition of nominated best-of-class business websites, and I was aghast at how unnavigable and useless most of them were.
  企業(yè)類網(wǎng)站: 近期我參與了一項(xiàng)最佳商業(yè)網(wǎng)站的評(píng)委工作，卻驚奇地發(fā)現(xiàn)這些網(wǎng)站中的大多數(shù)都是不能正常運(yùn)行或者毫無(wú)價(jià)值的。
• unnavigable river
  不通航河流
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