🧩 词语组成解析
n. (生物分类上的)门, 语系\\n[医] 门[生物分类]
[医] 棘头纲
🗣️ 情景例句
Are you used to the weather here?
你已经习惯这里的天气了吗？
To sum up, he agrees with us.
总而言之，他赞成我们。
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。