lumenal

常見例句

用作名詞 (n.)

• The innermost region of cotton is called lumen.
  棉纖維的最內(nèi)層組織叫內(nèi)腔。
• A former luminance unit equals to one lumen per square foot.
  舊制光的亮度單位等于每平方英尺流明。
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