Sometimes people call each other “scaredy-cat”,but have you ever thought about this expression?When a cat is frightened,its heart starts beating faster,its muscles get tense,and there are changes in the chemicals in its blood-stream.Although the

cal 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? 什么是CAL CAL是什么 cal是什么意思 cal在 Sometimes Sometimes Sometimes,people cry for enduring too long rather 中文翻译意思 people sometimes change and forget to tell each othershenmeyisi sometimes what people say hiaes their real meaning