When the chair is adjusted to best suit the user,the backrest shape is adjusted with six straps in such a way that the lumbar curve and curvature of the spine of the user are supported as much as possible求翻译,另重重有赏

the chair is( )the desk. 填空 It is ( ) ( ) the chair It is on the chair 对on the chair提问 Sit on your chair!Now the chair is ______ you. is the ball?Itis under the chair The bag is on the chair. The chair is in the ciassroom. the chair is _ _the sofa 翻译 A bookcase is behind the chair. There is a cat under the chair. the boy is sitting on a chair Tommy’s book is on the chair. The chair is made of wood. His baseball is under the chair the wood chair is very comfortable “A chair is at the desk. is the chair here 连词成句 There is a hat on the chair.