bite down on something 要在什么东西上
eg:I bit down om my tongue.
can be
- 会... 或有的时候会...
Biting down on something hard can be painful.
Dogs can be aggressive.
be 句型
-
balloon-shaped气球形状的 -
bean-shaped豆子形状的
实用表达
I feel pain in my + 器官
There's something wrong with 器官










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