Birdlike, he retired at dusk, lying on the bare floor with a wooden block under his head like a pillow.

他像小鸟一样，黄昏就寝，用木板作枕头，躺在光秃秃的地板上。

youdao

In this paper, the pitch Angle changing of charged particles of the magnetotail under the action of the dawn-dusk electric field is studied by evaluating about 900 trajectories by computer.

本文从粒子的轨道理论人手，通过对近900条粒子轨道的具体计算，研究了磁尾粒子在晨昏电场作用下的投掷角变化。

youdao

The results show clearly that the charged particles of the magnetotail under the action of the dawn-dusk electric field undergo evident scattering process.

计算结果清楚地显示出了磁尾粒子在晨昏电场的作用下，经历着明显的散射过程。

youdao

Almost all of Caracas' streets empty of people by dusk as residents live under the pall of a homicide rate 20 times that of the United States.

NPR: Hugo Chavez Coffin Parades Past Venezuela's Ills

The old watchman sat under this tree, and Nawab and the other younger men would sit with him at dusk, teasing him, trying to make his violent temper flare up, and joking around with one another.

NEWYORKER: Nawabdin Electrician