One in five undergraduates cannot write grammatically.有1/5的本科生写作不合语法规则。All undergraduates reading English attend a turtorial group each week.所有攻读英语的本科生每周上一次导师辅导课.This is a course for undergraduates.这是为本科生开的一门课....
The new technique has been used to identify the sex of foetuses.这一新技术已经被用来鉴别胎儿的性别。In other experiments, some of the lost foetuses were abnormal.在其他的实验中, 有一些不成功的胎儿是畸形的.In this way, Kuwabara has kept goat foetuses alive an...
Passengers escaped from the plane's front four exits by sliding down emergency chutes.乘客们从飞机前部4个出口处的紧急滑道滑下逃生了。Wearing stars and stripes, a cowboy watches rodeo events from the chutes.一位身着星条旗服装的牛仔在斜槽后观看着骑术表演.This bat...