to sink; to go under; to submerge; sink; to go under; to submerge; to go down ; to set; to descend; go down ; to set; to descend; to feel depressed; feel depressed; to feel depressed; to become subdued; to become somber; feel depressed; to become subdued; to become somber
沈める
to sink ; to submerge; sink ; to submerge; to floor; floor; to lower; lower