用盐水漱口可以缓解喉咙痛。

___Gargling with salt water can relieve a sore throat.

他每天用盐水漱口来缓解喉咙痛。

He relieves his sore throat by ___gargling with salt water every day.

小溪在鹅卵石间汩汩流淌，发出漱口般的声音。

The brook was ___gargling between the pebbles as it flowed downstream.