navigation-coal

常見(jiàn)例句

• Navigation is difficult on this river because of the hidden rocks.
  因?yàn)楹由嫌邪到?，所以在這條河上航行很困難。
• We need to replenish our stocks of coal.
  我們需要再次補(bǔ)充煤的儲(chǔ)備。
• The compass is an instrument of navigation.
  羅盤是航行儀器。
• She piled on more coal before the fire go out.
  在火熄滅之前她又加上些煤。
• I add the coal on the flame continuously.
  我不斷朝火里添加煤炭。
• They are ventilating the sap of a coal mine.
  他們正在使煤礦坑道通風(fēng)。
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