微笑、点头和喜洋洋的脸庞使喜庆的气氛变得更浓了。Smiles, nods, and cheerful faces added to the general gaiety.起床喜洋洋. 这是您的晨呼.Rise and shine. This is the wake - up service.露拉小姐脸上喜洋洋的,心情很舒畅.Miss Laura's face was beaming with pleasure and goodn...
Mona remains unshaken by her ordeal and is matter-of-fact about her courage.莫娜不为她经历的这场磨难所动，对自己表现出的勇气也态度淡然。Teddy turned to Mona with a look of mild confusion.泰迪表情略带困惑地向莫娜求助。She patted Mona, taking care not to disturb her ...
Why aren't all lenses supplied with a lens hood?为什么不给所有的镜头都配上遮光罩呢？Magnifier lens that provides a way to enlarge items on the screen.放大镜镜头,提供了一种放大项目在屏幕上.Conclusion The dysgenesis of lens capsule is intimately correla...
Etherification of butanol with ethylene oxide by a new style solide acid catalyst is investigated.研究了丁醇和环氧乙烷在一种新型固体酸催化剂上的醚化反应.The purified rice amylose and amylopectins were obtained by n - butanol recrystallization meth...