There have been strange happenings here lately.这儿最近发生了一些怪事。I know nothing at all about the recent happenings there.对那里近来发生的事我一点儿也不知道.Before falling asleep, Helen reviewed the day's happenings.海伦在入睡以前回想了当天发生的事情....
Now let us consider crystals such as diamond or sapphire.现在让我们考虑象钻石和蓝宝石这样的晶体....white snow and sapphire skies.皑皑白雪和湛蓝的天空One of the new Sapphire Gold brooder, aged about 4 years.一尾大约四岁的新蓝宝石紫蓝底过背金种鱼....a sapphire engagemen...