Many refugees have fled to safer areas.许多难民已经逃往了更安全的地方。safer and more liveable residential areas更安全和更适于居住的住宅区Tests have shown that these new tyres are significantly safer.试验表明这些新的轮胎要安全得多....
布莱叶突然发现了这种符号的意义.Suddenly the meaning of this code hit Braille.此刻是换用经典符号的好时候.This is a good time to switch to the classical notation.请马上弄清这些符号的意义.Please make sense of these marks on paper immediately....