挺直站立,不弯腰驼背
先理解核心含义，再看它在真实句子里的用法。
挺直站立,不弯腰驼背
to hold one's body upright, with the back straight, instead of slouching
Please stand up straight when you speak.
说话时请站直。
挺直站立,不弯腰驼背
to hold one's body upright, with the back straight, instead of slouching
Use stand up straight naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Dictionary facts from AI_SUPPLEMENT.