An Achilles' heel is a fatal weakness in overall strength that can lead to one's downfall or death.In Greek mythology, Achilles was the greatest G....英语知识大全
Tip 1:If you don't understand something right away, don't give up. Keep listening. The speaker might say something later that will help you underst....英语知识大全
Athens is the capital and largest city of Greece. One of the world's oldest cities, its recorded history alone goes back 3, 000 years. In ancient t....英语知识大全