He made careful notes to the key words and expressions of the text.
他对文中的重点词语作了精心地注释。
With all the latest vocabulary including key expressions, example sentences and cultural notes on life and language the dictionary on your phone means you need never be stuck for words again.
词典涵盖所有最新的词汇和语言，包括日常生活关键表达、例句和文化注释。有了柯林斯词典手机版，用户将不再被词汇所困扰。
In addition, appropriate use of transitional expressions and repetition of key words can also produce the effect of coherence.
恰当地使用过渡词语以及重复关键词也常常能取得连接的效果。
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