Avens
n. [植]水杨梅属植物
🗣️ 情景例句
Thanks, Ellen.
谢谢， Ellen。
Where is the boarding gate for this flight?
这班飞机的登机门在哪儿？
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。