Decken
推覆体
🗣️ 情景例句
How's your son getting on with his English?
你儿子的英语学得好吗？
Without a friend,the world is wilderness.
没有朋友，世界成了荒野。
A man was lying in the box on top of a pile of woolen goods.
箱内有一个人正躺在一堆毛织品之上。