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.
气温一夜间下降了七度。
在七度下西洋的某次旅程中。
不协和音程为二度和七度。
船向左舷倾斜七度。
船向左舷倾斜七度。
厦门属七度抗震区，施工单位要严格要求，精心组织施工，确保工程质量。
Xiamen belongs to the seventh degree anti-seismic zone, construction units should set strict demands on themselves and organize construction meticulously in order to guarantee the project quality.
厦门属七度抗震区，施工单位要严格要求，精心组织施工，确保工程质量。
Xiamen belongs to the seventh degree anti-seismic zone, construction units should set strict demands on themselves and organize construction meticulously in order to guarantee the project quality.
应用推荐