Elaeocarpus
杜英属
🗣️ 情景例句
You passed your test? Fantastic!
你测验及格了？太棒了！
Excuse me, but may I ask a question?
对不起，我可以问个问题吗？
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。