The US insisted at the time that it undertook the operation to prevent the satellite returning to earth with a toxic fuel tank which would pose a health hazard.
美国人强调这次导弹试射是为了防止带有毒性气体罐的会对公众健康有威胁的卫星返回地面。
2
An attempt had been made to dig a tank in the garden, but the subsoil water proving too low, it had been abandoned, unfinished, with the excavated earth left piled up into a hillock.
我们曾尝试在花园里挖一个水池，但因地下水太过浅，只好放弃，没能完工，挖出来的土堆成了一个小山包。
3
A second goal, he said, is to directly hit the fuel tank in order to minimize the amount of fuel that returns to Earth.