Some girls feel shy to wear bras, which may lead to crookback and impact their future study and work. 一些乳房发育的女孩子迫于害羞的心理，不愿意佩戴文胸，长期以往，就会引起驼背，近而造成身体变型，影响学习和以后的工作。
crookback英英释义
Noun:
a person whose back is hunched because of abnormal curvature of the upper spine
Adjective:
characteristic of or suffering from kyphosis, an abnormality of the vertebral column
