people sometimes find it hard to bring back a word they know well,forits sound is decided for no good reason.这句话是什么意思?

Sometimes people pollute the environment. Sometimes people pollute the environment. G______ songs sometimes make people feel blue old people are sometimes very _.(forget) Sometimes some people have s______dreams at night. sometimes people pollution the enyironment什么意思? Sometimes people pollute the environment.划线提问 why do people sometimes feel empty? FIN是什么意思 fin.eof fin是什么意思 FIN 解释 FIN是什么 FIN怎么样 fin is Sometimes Sometimes Sometimes,people cry for enduring too long rather 中文翻译意思