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单词
distress signal
释义
distress signal
(遇难船只或飞机等发出的)求救信号,遇难(呼救)信号(如SOS)[参较distress call]
(病人等的)危急求救信号(或呼号)
(尤指不用语言传达的)求援信号
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protist
Protista
protistan
protistans
protistas
protistic
protistological
protistologies
protistologist
protistologists
protistology
protists
protium
protiums
proto-
protoactinium
protoactiniums
protoanthropic
protobiont
protobionts
protobiotic soup
Protobranchia
protocatechuic acid
Protoceratidae
protocerebrum
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更新时间:2025/3/12 18:52:37