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单词
ballast
释义
ballast
b
æ
ləst
ˈbæləst
N-UNCOUNT
压舱物;镇重物
Ballast
is any substance that is used in ships or hot-air balloons to make them heavier and more stable. Ballast usually consists of water, sand, or iron.
压舱物;镇重物
SYN
counterbalance
,
balance
,
weight
,
stability
Trends of
ballast
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更新时间:2024/10/22 23:47:26