吕氏英汉字典[简体]:
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alertness
"alertness" Chinese translation ("alertness" in Chinese, "alertness" 中文翻译, "alertness"发音):
alertness
n. 警戒,机敏 [n. 警戒,机敏]
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n. 警戒,机敏 [n. 警戒,机敏]
