caterpillar bulldozer

常見(jiàn)例句

雙語(yǔ)例句

• The jaws of the bucket opened; the bulldozer retreated on its caterpillar treads and almost flipped over as it was suddenly lightened of its load.
  鏟車上下頜張開(kāi)，踩著履帶後退。它是如此輕快的後退著好像突然卸去了重負(fù)。
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