Dangerous undertows make swimming unsafe along most of the coastline.由于存在着危险的下层逆流,在大部分海岸线附近游泳都不安全。The ice on that pond is unsafe for skating.在那个池塘的冰面上溜冰不安全。In the larger neighbourhood, I felt very unsafe.在大一点的小区里,我感到很不安全...
Many school buildings are unsafe, and some are falling apart.许多校舍不安全,有些简直是摇摇欲坠。Dangerous undertows make swimming unsafe along most of the coastline.由于存在着危险的下层逆流,在大部分海岸线附近游泳都不安全。Critics claim the trucks are unsafe.批评家声称这些...