#琦妈考研每日一句##决战考研##刘琦老师[超话]#
考研真题长难句 第47周Day 3
本周主题【真题核心句21下】
[拳头]每周句子从周一到周六难度会递增
[拳头]每个音频最后留了个小问题，大家可评论区回答
[拳头]对句子解析有任何问题也可评论区提问

Day 3
During the 1840s and 1850s, in the early days of photography, exposure times were notoriously long: the daguerreotype photographic method (producing an image on a silvered copper plate) could take several minutes to complete, resulting in blurred images as sitters shifted position or adjusted their limbs.（2021 年英语一阅读） http://t.cn/A6WBfu4N