a. 瘦弱的, 衰弱的

[ adj ]
very thin especially from disease or hunger or cold
<adj.all>
emaciated bony handsa nightmare population of gaunt men and skeletal boys
eyes were haggard and cavernous
small pinched faces
kept life in his wasted frame only by grim concentration

Emaciate \E*ma"ci*ate\, v. i. [imp. & p. p. {Emaciated}; p. pr.
& vb. n. {Emaciating}.] [L. emaciatus, p. p. of emaciare to
make lean; e + maciare to make lean or meager, fr. macies
leanness, akin to macer lean. See {Meager}.]
To lose flesh gradually and become very lean; to waste away
in flesh. ``He emaciated and pined away.'' --Sir T. Browne.

emaciated \emaciated\ adj.
having become so thin that the bones noticeably protude under
the skin; as, emaciated bony hands.

Syn: bony, cadaverous, gaunt, haggard, pinched, skeletal,
wasted.
[WordNet 1.5]