音阶上升三度容易，上升七度就难了。
It's easy to go up to a third scale, but difficult to a seventh.
youdao
在七度下西洋的某次旅程中。
On one of the seven voyages.
气温一夜间下降了七度。
The temperature fell seven degrees in a single night.
The temperature has been descended seven degrees at one night.
The temperature fell five degrees last night.
应用推荐
模块上移
模块下移
不移动