The following pairs of words are frequently used in academic settings. Look them up in the Longman Dictionary of Contemporary En

题目：The following pairs of words are frequently used in academic settings. Look them up in the Longman Dictionary of Contemporary English Online (https://www.Idoceonline.com) and learn their meanings and registers. And use them in the following sentences. The pares are: rough/approximate; so/hence; show/demonstrate; leave out/exclude; beginning/commencement; furthermore/besides; claim/say; concerning/When it comes to The phone’s small battery means it cannot last an entire working day without requiring a secondary charge. , the charging speeds are snail-like, especially when compared to how fast other phones get charged from zero to 100 percent.

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