adj.衰老的,老年的,高龄的,高龄所致的,[地]老年期的,龙钟
The old man was showing unmistakable signs of senility.
老人已老态毕现。
The future may provide an anti - senility pill.
将来或许会有一种 抗 衰老药片.
He is yet in green vigorous senility.
他老当益壮.