Combination switch

combination [,kɑmbɪ'neʃən]

n. 结合;联合体;密码组合;连裤内衣;

com共同+bin=bine藤蔓+ation表名词 →结合，联合

switch [swɪtʃ]

n. 开关;转换，转换器;软鞭子;[信]接线台; vt.& vi. 转变，改变;转换;关闭电流;鞭打; vt. 转换;挥动（棍棒、鞭子等）;迅速转动;鞭打; vi. 交换;调换;

Change the light bulb, it's burnt out.

换一个灯泡吧，它烧坏了。

I hope that I can make a worthwhile contribution to the efforts of this group.

我希望能对这个团体努力的成果提供有价值的贡献。

The mammoth has now been restored in the Palaeontological Museum in Leningrad. Other animals were trapped in tar pits, like the elephants, sabre-toothed cats, and numerous other creatures that are found at Rancho la Brea,which is now just a suburb of Los

这头长毛象已被修复，现存于圣彼得堡古生物学博物馆。有的动物掉进天然沥清坑里被保存下来，如在兰桥。拉。布里 -- 现在是洛杉矶的郊区发现的大象、剑齿虎和许多其他动物。