请输入您要查询的英文单词：
单词
distress signal
释义
distress signal
noun
:
a message that one is in danger
The pilot sent out a
distress signal
before the plane crashed.
随便看
sporangial
sporangiferous
sporangiform
sporangio-
sporangiogenic
sporangioid
sporangiola
sporangiole
sporangioles
sporangiolum
sporangiophore
sporangiophores
sporangiospores
sporangite
Sporangites
sporangium
spore
spore ball
spore case
spore fruit
spore mother cell
spore print
spore sac
sporebearer
spored
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更新时间：2025/12/16 22:28:51