Methanide
[有化] 甲烷化物
🗣️ 情景例句
I called my parents from the airport.
我从机场打电话给我父母。
Should I take the bus?
要乘公共汽车吗？
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。