A lot of the time, you need to use really high pressures to create these compounds — especially the ones that don't rely on super low temperatures, or that involve the extra inert elements neon or helium.
大多数情况下,你需要用相当高的压力去制造这些化合物——尤其是那些不依靠超低温的化合物或包含额外惰性元素氖或氦的化合物。