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单词
neutron
释义
neutron
/ˈnju:trɒn/
n.
a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen
中子
[NEUTRAL + -ON]
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downcast
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downgrade
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downheartedly
downheartedness
downhill
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down-home
downily
downiness
down in the mouth
downland
download
downmarket
downmost
down on one's luck
down payment
downpipe
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更新时间:2026/7/12 5:44:48