moisture n.潮湿，湿气；温度；
picture n.图画，照片；
signature n.署名，签字，签名。
例句：
They took action with police's coverture.
他们在警方的`掩护下采取了行动。
It was a radical departure from tradition.
这从根本上违背了传统。
His departure, in fact, went almost unremarked.
事实上，他的离去几乎没被注意到。
The fixture ended in a goalless draw.
该比赛以零比零的平局结束。
The couple quickly became a fixture in society.
这对夫妇很快就成为上流社会的常客。
