Translation of "Snapping" in Japanese

Feel your own soft palate snapping against the back of the throat.

自分の軟口蓋が喉の裏側に 当たっているのがわかるでしょう

All the smell's on the kelp, so the shark's now biting and snapping at the kelp.

‎サメはにおいを嗅ぎつけ ‎ケルプを食いちぎる