groan|groaned

随着一声绝望的呻吟，他瘫倒在沙发上。

With a desperate ___groan, he collapsed onto the sofa.

当医护人员靠近时，受伤的运动员呻吟着。

The injured athlete ___groaned as the medics approached.

旧地板在重压下发出了一声呻吟。

The old floorboards let out a ___groan under the weight.