ประโยคภาษาจีน : 中文句子 |
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tā 他 yāo qiú 要求 shì yàn zhě 试验者 jì lù 记录 měi cì 每次 pái biàn 排便 de 的 yòng shí 用时 tóng shí 同时 yǐ 以 cóng 从 yì dào nán 易到难 yòng 用 sì gè 四个 děng jí 等级 píng gū suǒ 评估所 xū 需 lì qi 力气 |
He asked his subjects to record how long each bowel movement took and rate the effort required on a four-point scale ranging from effortless to difficult. |