A merry road, a mazy road, and such as we did tread.快乐的路迷宫般的路我们踏行.They have to tread the delicate path between informing children and boring them...他们既要让孩子们了解情况，又不能让他们产生厌烦情绪，不得不小心把握分寸。Turnpikes are not for turkeys! Sandw...
在所有简单无害的娱乐项目背后都隐藏着危险，特别是对儿童而言。Under all the innocent fun, there are hidden dangers, especially for children.该行业一直在努力开发一些可以替代这些气体的无害物质。Industry has been working at developing harmless substitutes for these gases.棕榈油对环境无害。...
Microscopically the ores are medium grained to amorphous.显微镜下,矿石为中粒至非晶质.Iron ores of greatest economic interest contain magnetite and hematite.最具有经济价值的铁矿包括磁铁矿和赤铁矿.Ores are also being obtained in quantity from other count...
He taught me to edit and splice film.他教我电影剪接。Show me how to splice together knitting wool, will you ?教给我接毛线, 好 吗 ?The boy and I will splice them when we are home.回家以后,我要跟孩子把它们接起来.He taught me to edit and splice film...他教...