Centrograph
中心图解法
🗣️ 情景例句
Did you enjoy yourself last weekend?
上周末你过得开心么？
What part of the world do you come from?
你从世界的哪部分来的？
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。