千真万确,是about,查了牛津英汉词典,无其他合适用法.
但是句子本身读起来不是很顺,是不是指Children are usually curious about the pain (caused) by taking out the tooth.
千真万确,是about,查了牛津英汉词典,无其他合适用法.
但是句子本身读起来不是很顺,是不是指Children are usually curious about the pain (caused) by taking out the tooth.