At night a vast yellow barrier descends on the crossing, trapping latecomers inside.
夜晚，一个巨大的黄色屏障徐徐下降，将晚归者拦腰在外。
2
Pregnant women are also cautioned not to clean Kitty litter boxes because of the risk that Toxoplasma crossing the placental barrier and causing complications.
怀孕的女性也要注意，不要去倒猫沙盒，因为会有弓形虫穿过胎盘屏障，导致并发症的风险。
3
This suddenly means that you have quite different performance for integers crossing certain barrier - and bit worse performance for every integer out there.