There was a helicopter hovering overhead.

有一架直升飞机在头顶上盘旋。

youdao

With the helicopter hovering Nose-In, add left cyclic and flip the helicopter to inverted, continue until the helicopter has completed 2 rolls to the left.

机头朝向操控者保持停悬，将副翼打左舵使直升机翻滚为倒飞的姿态，持续地将副翼打左舵使直升机向左完成侧滚二圈。

youdao

Aiming at the current status that helicopter uses single torpedo to attack submarine, a method of two torpedoes salvo for helicopter hovering attack is presented.

针对直升机投雷一般采用单雷射击的现状，提出了采用直升机悬停双雷齐射的方法。

youdao

Beneath the hovering helicopter, an ugly mud-orange clearing has been cut for it from the lush green forest.

ECONOMIST: Tropical forests�� best hope

As much as I love helicopters, I declined for several reasons, including that it's hard to conduct an interview in a helicopter, and because hovering in midair feels unnatural to me and brings on intimations of mortality.

WSJ: Open-Air Status Symbols

In 1939, although experiments with hovering aircraft had been going on since 1900, the first successful helicopter, Igor Sikorsky's VS-300, made its first flight.

CNN: Monday,