- 释义：
- num. 第一
- 例句：
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Freud first mentioned this concept in his paper'On Narcissism '.
弗洛伊德在他的论文《论自恋》中首次提到了这个概念.
换一句
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She first appeared on the screen ten years ago.
十年前,她第一次出现在银幕上.
换一句
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These truths were by no means self - evident when Galileo first suggested them.
伽里略首次提出这些真理时决非显而易见.
换一句