我花了大约半小时点火。

I spent about half an hour.

youdao

许多营地有自己的安保系统、严格的酒精毒品管理条例、传染病防治中心、健身中心以及24小时点餐服务等。

Many camps had their own security and strict rules against alcohol and drugs, as well as maids, fitness centers, high-thread-count sheets and 24-hour meal service.

youdao

松开赤经制动钮并使望远镜围绕极轴旋转用以设置日期刻度盘上的观测日期对准赤经兼小时刻度盘上的观测时点。

Unfasten the R. A. clamp and turn the telescope around the polar axis to set the observing date on the date graduation ring to the observing time on the R. A. and hour graduation ring.

youdao

松开赤经制动钮并使望远镜围绕极轴旋转用以设置日期刻度盘上的观测日期对准赤经兼小时刻度盘上的观测时点。

Unfasten the R. A. clamp and turn the telescope around the polar axis to set the observing date on the date graduation ring to the observing time on the R. A. and hour graduation ring.

youdao