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...
Nuclear weapons plants across the country are heavily contaminated with toxic wastes.全国的核武器工厂均受到了有毒废弃物的严重污染。Lead can accumulate in the body until toxic levels are reached.铅会在体内积聚直至造成铅中毒。Toxic waste could endanger lives a...