Definition: more, or more than usual Level: A2
这个书包有额外的口袋放水瓶。
This schoolbag has an ___extra pocket for a water bottle.
我们带了额外的毯子去野餐。
We brought ___extra blankets for the picnic.
我的自行车有一个额外的车铃。
My bicycle has an ___extra bell.
