英语词汇“ballast”的读音、意思、造句、用法及中英文翻译-迷途网

词汇	ballast
释义	ballast noun /ˈbæləst/ /ˈbæləst/ [uncountable] heavy material placed in a ship or hot-air balloon to make it heavier and keep it steady（船中保持平衡的）压舱物；（热气球的）镇重物Topics Transport by waterc2 a layer of stones that makes a strong base on which a road, railway, etc. can be built（用作公路或铁路路基的）道砟词源mid 16th cent.: probably of Low German or Scandinavian origin.
随便看	landowner landowners landownership landownerships landowning landownings land reform land-reform landreform land reforms land registries land registry land-registry landregistry Land Rover land-rovertm Land Rover™ Land-Rover™ lands land's landscape landscape_1 landscape_2 landscape architect landscape-architect

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