ประโยคภาษาจีน : 中文句子 |
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duì 对 yī 一 zǔ 组 shǐ yòng 使用 xīn yào 新药 duì 对 lìng yī 另一 zǔ 组 zé 则 shǐ yòng 使用 jiù 旧 yào 药 yǐ zī 以资 duì zhào 对照 |
One group was treated with the new drug, and a second group was treated with the old one as a control. |