The average length of a woman's menstrual cycle is 28 days.妇女的平均月经周期是28天。Clinical bleeding may have menstrual period, or contact bleeding.临床上可有月经期出血, 或接触性出血.On average, a woman's menstrual flow lasts 3 to 4 day...
我丝毫都不怀疑我们对环境的污染是不可挽回的。I have no doubt that we are polluting the environment beyond redemption.有些事情, 你自己的行为, 是无法挽回的.There were things, your own acts, from which you could never recover." 无法挽回的事,哭也没用了, " 她说, " 太迟了. ”" Ther...
微震的震中位于苏尔特湾。The tremor was centred in the Gulf of Sirte.约5分钟之前,在距东京不远的千叶市也有过一次微震.A weak quake shook Chiba, near the capital, about five minutes earlier.微震的噪声谱在1/6赫趋于峰值.The spectrum level of microseismic noise tends to pe...
我很抱歉地通知你，明天是你的最后一天了。I hate to tell you this, but tomorrow's your last day.豺狗表示抱歉地哼了哼, 照办了.With a deprecatory grunt , the jackal again complied.我很抱歉地告诉他我所有的一点款子不够维持我们的生活.I was very sorry to tell him that the little I...
The school bus takes them to school and brings them back.校车接送他们上下学。The school bus leaves at six sharp and won't wait.校车6点开车,过时不候.What bad luck ! I've missed the school bus.真糟糕,误了校车了....