Plenum system
[医] 流入式通风系统
🧩 词语组成解析
n. 充实, 充满
🗣️ 情景例句
What did you learn at school today?
你今天在学校学了什么？
There was perfect harmony between the two brothers.
兄弟俩感情非常融洽。
he said. But I don't have many friends, and I don't enjoy myself very much. I don't know why!
他说，“但是我没有很多朋友，我过得不很愉快。我不懂为什么！”