Doorcase
n. 門框
??? 情景例句
Please declare anything you're unsure of.
申請報告有你沒太明確是否需要申報的東西。
None preaches better than the ant, and she says nothing.
螞蟻不說話，但最善于說教。
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，在和外星人聯系中我們遇到的最大困難是分隔我們的天文距離。