您要查找的是不是：
- The situation poses a grave threat to world peace. 这局势对世界和平构成了严重的威胁。
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- The railway is under threat of closure. 那条铁路有停止运营的迹象。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- Narcotics are a major threat to health. 毒品是危害健康的大敌。
- His presence is a threat to our success. 他的出现对我们的成功是一个威胁。
- The earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
- Ice-floes are a threat to shipping in the area. 浮冰对这一带的航运是一种威胁。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的？
- Terrorism is a threat to the whole country. 恐怖主义是整个国家的祸根。
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- The machine cast up a big heap of earth. 机器卷起了一大堆泥土。
- The red sun lights up the sky and the earth. 红太阳照亮了天空和大地。
- Who on earth is that female he's with? 跟他在一起的那个女人究竟是谁?
- The situation poses a grave threat to peace. 这一局势对和平构成重大威胁。
- This constitutes a threat to national security. 这对国家安全是不祥之兆。
- Antarctica is the loneliest place on earth. 南极是地球上最偏远的地区。
- He dived his hand into the earth. 他将手插入泥土中。
- Earth worms are often used as bait. 蚯蚓常用作鱼饵。
