在六水三氯化铁存在下可以由乳酸和异戊醇合成乳酸异戊酯.
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Six theatre companies have been selected to take part in this year's festival.
已选定六个剧团参加今年的戏剧节。
牛津高阶英汉双解词典
Kashgar has taken nucleic acid samples from over 2.8 million residents since Saturday.
周六以来,喀什已采集到280多万居民的核酸样本。
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You cannot say the number six without an accompanying hand gesture.
不搭配手势,没法说六这个数字。
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