covering

覆蓋物、罩子、套子

She put a plastic covering over the sofa before painting.

她在油漆前給沙發蓋上了一層塑膠罩。

外皮、表層、外殼

The seeds have a hard outer covering that resists water.

這些種子有一層堅硬的外皮，可以防水。

覆蓋、遮蓋、鋪蓋

A light covering of snow appeared on the hills overnight.

一夜之間山丘上鋪了一層薄雪。

掩護的、遮掩的

The squad advanced under covering fire from the rooftop.

小隊在屋頂的掩護火力下向前推進。

隨附的、附函的英式

Send a covering letter with your application form.

請在申請表中附上一封說明信。