Hydriodide
氢碘化物
🗣️ 情景例句
and he really liked my concept.
而且他真的喜欢我的想法。
I ought to keep cool.
我应该保持冷静。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。