✅ 同义词
🗣️ 情景例句
Many residents choose to put their money into the bank.
许多人选择把钱存在银行。
I've got a pain in my back.
我背疼。
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。