🧩 词语组成解析
n. (生物分类上的)门, 语系\\n[医] 门[生物分类]
[医] 纽形动物门
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
A ready way to lose friend is to lend him money.
失友都因借钱起。
These friendly dogs, which were first brought from Asia, were used as watchdogs even in Roman times.
那些最先从亚洲引进的狗，待人友好，早在罗马时代就给人当看门狗了。