英语词汇ballast的翻译、用法及例句-MX2U.com英汉词典

ballast

noun [ U ] uk/ˈbæl.əst/ us/ˈbæl.əst/

（船的）压舱物;（气球的）镇重物;（用作路基的）道砟，石碴

heavy matter such as sand, stone, or water that is used at the bottom of a ship or a hot-air balloon to make it heavier, or the small stones on which railways and roads are made

The weed may have been accidentally imported in soil used as ship ballast.

A ship sailing with an empty hold will have filled its ballast tanks at its source port.

The boat had 35 tons of cement block ballast that caused it to ride lower in the water.
Zebra mussels are believed to have come to the United States in ballast water dumped by ships from Europe.
On discharging part of the ballast, the balloon ascended to the height of 200 yards.
The huge Christmas tree is held down by two tons of ballast.
They have failed to repair broken and cracked rails and failed to replace sleepers and stone ballast.
His deep voice added some needed ballast to this soprano-heavy score.

词汇	ballast
释义	ballast noun [ U ] uk/ˈbæl.əst/ us/ˈbæl.əst/ （船的）压舱物;（气球的）镇重物;（用作路基的）道砟，石碴 heavy matter such as sand, stone, or water that is used at the bottom of a ship or a hot-air balloon to make it heavier, or the small stones on which railways and roads are made The weed may have been accidentally imported in soil used as ship ballast. A ship sailing with an empty hold will have filled its ballast tanks at its source port. 更多例句 The boat had 35 tons of cement block ballast that caused it to ride lower in the water. Zebra mussels are believed to have come to the United States in ballast water dumped by ships from Europe. On discharging part of the ballast, the balloon ascended to the height of 200 yards. The huge Christmas tree is held down by two tons of ballast. They have failed to repair broken and cracked rails and failed to replace sleepers and stone ballast. His deep voice added some needed ballast to this soprano-heavy score.
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