I transmit my parameters to the safety observer to make sure I have enough altitude to complete the roll.

我将飞行参数报告给安全观察员以确定我具有足够的高度来完成这个滚转。

youdao

If there is no observer, then there is silence, a complete negation of the whole past.

如果没有观察者，那么就会有寂静，就会有对整个过去的全然否定。

youdao

Washington (CNN) -- This is a political story, complete with angry voters, a frustrated candidate and a scholarly observer or two.

CNN: STORY HIGHLIGHTS

To the casual observer, the recovery of West Angle Bay seems complete, especially to those who recall the thick brown deposits of oil that coated the beach after the spill.

BBC: News | UK | West Wales recovering from 'environmental disaster'