陆地上产生的爆炸能产生类似水纹荡漾的效果，看上去似乎是在一块巨大的海绵上作战一般。
And ground explosions would use water detonations for a while, so it felt like you were fighting on a giant sponge.
定音鼓的鼓槌通常是包上毡或海绵以得到不同的效果。
The drumsticks of the timpani are usually wrapped with felt or sponge in order to achieve different sound effects.
目的：观察碘仿-甲硝唑明胶海绵预防干槽症的效果。
OBJECTIVE: To observe the effect of Iodoform-metronidazole gelatin sponge preventing dry socket.
应用推荐