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词汇
umbilical cord
释义
umbilical cord
可数名词
1
‘解剖’脐带
2
‘太空’
a.
燃料供应缆
(从整备塔供应燃料给发射前火箭的电缆)
b.
救生索, 安全电缆
(用以连系在太空船外作业的太空人与太空船的空气补给或通讯用电缆)
3
(潜水夫的) 安全索, 救生索
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first quarter
first-rank
first-rate
first-rater
First Reich
First Republic
first run
first-run
first sergeant
First State
first story
first string
first-string
first-thing first
first-time
First Triumvirate
first watch
first water
First World War
firth
Firth of Clyde
Firth of Forth
Firth of Tay
fisc
fiscal
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更新时间:2026/6/2 12:40:20