Solar thermal system
un. 太阳能热系统\\n
🧩 词语组成解析
🗣️ 情景例句
Good-bye, Robbie. Good luck.
再见 ，Robbie ，祝你好运。
have you invited any friends?
你邀请朋友吗？
One does not have to go outside for amusement, since the collection is housed at home.
人们不必走到户外去寻求娱乐，因为收藏品都是存放在家中。