牙形刺之所以仍然如此神秘，一个原因就是除了发现过它们的牙齿化石以外，它们柔软的躯体无法变成化石保存到今天。
One reason why conodonts have remained so enigmatic, despite the fossil finds, is that their soft bodies didn't leave much to make fossils.
我想, 那是因为我们彼此的心中都有一根刺, 虽然已经不痛了, 可是仍然搁在那里不舒服.
Both of us had a sting in our hearts that made us uncomfortable though not painful.
热刺仍然在参加冠军联赛，曼城在后面有些掉链子，我们想继续给他们施压。
Tottenham are still involved in the Champions League, Man City have been inconsistent of late and we want to keep the pressure on them.
应用推荐