sinking
adj. （情绪突然）颓丧的，抑郁的；下沉的
n. 沉没
v. 使下沉，下沉；下去，下降；减少（sink 的现在分词）
复数 sinkings
例句
She watched him go with a sinking heart.
她心情沉重地看着他走了。
《牛津词典》
Every type of boat was pressed into service to rescue passengers from the sinking ferry.
为了营救下沉渡轮上的旅客，各类船只都被临时征用了。
The sun was sinking in the west.
太阳西坠。
