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在线英语词典
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convection
kәn'vekʃәn
🔊
TOEFL
释义
n. 传送, 对流, 传导
[化] 对流
英文释义
n. the transfer of heat through a fluid (liquid or gas) caused by molecular motion
n. (meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere
BNC词频排名:
17,640
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当代语料库词频排名:
16,075