https://padlet.com/ngochuyen345gdth/TNXH1 vẽ cây mô tả các bộ phận bên ngoài en-us 2025-04-06 15:41:12 UTC 2025-04-06 16:02:04 UTC hello@padlet.com ngochuyen345gdth https://padlet.com/ngochuyen345gdth/TNXH1/wish/3397517534 2025-04-06 15:48:46 UTC https://padlet.com/ngochuyen345gdth/TNXH1/wish/3397517534