The planetarium staff also prepared talks for radio broadcast.天文馆的工作人员还要准备讲稿给电台广播.On his days off, he takes them to the Museum of Natural History or the Planetarium.休假的日子里，他就带他们去自然历史博物馆或是天文馆。The motions of the stars can ...
It was just a piece of harmless frivolity.这仅是无恶意的愚蠢行为。Hedonism and frivolity will diffuse hell tnrough all our days.享乐主义和轻薄浮佻会将地狱扩展到我们的整个日子之中.How could she tolerate the men's frivolity?她怎能忍受得了那男人的轻浮?...
As is the way with these gatherings, the declarations were largely drafted before the delegations arrived.就像通常的这种集会一样，宣言内容在代表团到达之前就差不多拟好了。Ted hated parties, even gatherings of people he liked individually...特德讨厌各种派对，即便是他...
Microsystem simulations and finite element calculations are brifly described.简要介绍微系统模拟和有限元计算方法.The fossil fuels (coal and oil) are finite resources.化石燃料（如煤和石油）属于有限资源。More often, all of the materials exposed to the etchan...