Scalae
[医]（单scala）阶
🗣️ 情景例句
But I'm bored.
但我感到无聊。
I wonder how many girl friends he's got.
我不知道他有多少女朋友。
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。