covering
词义辨析：
同义:
n.掩护
protection
shield
shelter
housing
tent
parasol
umbrella
sunshade
n.上覆物
lid
top
cover
hat
cap
bonnet
hood
cowl
shawl
kerchief
mantilla
n.被覆, 外封
screen
curtain
shade
veil
mask
shadow
pall
shroud
n.外被, 外衣
mantle
robe
cloak
wrap
clothing
gear
envelope
sheath
chase
jacket
n.密封舱
capsule
pod
同义参见:
concealment
over
blanket
outside
layer
sheet
on
film
membrane
ceiling
shell
case2
scale3
leaf
rug
skin
roof