介绍:
01 Sit properly.
坐坐好。
02 Straighten your back./Keep your back straight.
腰挺直。
03 Don't just perch on the chair.
不要跨坐。
04 The chair is too high/low.
这椅子太高/低了。
05 Mom, the desk is too wobbly.
妈妈，这书桌太晃了。
大家还在听
