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单词
homeland security
释义
homeland security
[ˈhəʊmˌlænd siˈkjuəriti]
freq.
166
cmpt.
4
spoken
159
n.
国土安全(美国防止恐怖袭击的行动及机构)
[网络]
国土安全专业;国土安全部;国家安全
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gear towards
geartrain
gear-train
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gear train assembly
gear train diagram
gear train efficiency
geartrains
gear trains
gear train with fixed axes
gear transmission
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gearty
gear type
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更新时间:2026/3/11 4:52:43