Pigs were butchered, hams were hung to dry from the ceiling.杀了猪，猪腿挂在天花板上风干。Students in fifty schools are to act as guinea pigs for these new teaching methods.五十所学校的学生将作为这些新教学法的试验对象。Nearly 500,000 pupils are to be guinea ...
Pigs were butchered, hams were hung to dry from the ceiling.杀了猪，猪腿挂在天花板上风干。There are all sorts of animals, including bears, pigs, kangaroos, and penguins.有各种各样的动物，包括熊、猪、袋鼠和企鹅。Dr Binger keeps poultry, pigs and goats.班热博士饲...
These fires create convection funnels, and throw a lot of particles into the upper atmosphere.这些火焰造成了对流漏斗，把许多微粒抛向上层大气。Convection can be of two types: natural convection and forced convection.对流可分为两类, 即 自然对流和强制对流.Conducti...
The workmen are still busy concreting the road.工人们仍忙着用混凝土铺路。Anchor concreting is an effective support technique to control surrounding rock deformation and keep tunnel stability.锚杆注浆是一种行之有效的控制围岩变形和保证巷道稳定的支护技术.The workman...
The plane grazed the hilltops.飞机擦着山顶飞过.A raw wind was blowing, and the first flurries of snow were whitening the hilltops.一阵刺骨的寒风刮了起来, 初雪铺白了山顶.So let freedom ring from the prodigious hilltops of New Hampshire.所以,让自由的回声响彻...