英语语法分析

The pressure of the helium inside a blimp is about the same as that of the air outside, so the gas does not rush out.

气球飞艇内部氦气的压力和外部气压相近，因而气体不会溢出。

It is Professor Munakata's "reverse pyramid" strategy that prevents the megaliths from being dumped atop the dome of St Paul's Cathedral from a blimp.

正是宗方教授的“逆向金字塔”策略可以防止巨石被飞艇甩到圣保罗大教堂的圆顶上。

The inner envelope filled with helium in the head section of the blimp and the third built-in airbag at the tail is filled with ethane combustible gas.

飞船头部的内置气囊中充满了氦气，而置于尾部的第三节内置气囊则充满了乙烷可燃气体。