a. 液化的(变成液态的,冲淡的,稀释的)

Liquefy \Liq"ue*fy\ (l[i^]k"w[-e]*f[imac]), v. t. [imp. & p. p.
{Liquefied} (-f[imac]d); p. pr. & vb. n. {Liquefying}
(-f[imac]`[i^]ng).] [F. liqu['e]fier, L. liquere to be liquid
+ facere, -ficare (in comp.), to make. See {Liquid}, and
{-fy}.]
1. To convert from a solid form to that of a liquid; to melt;
to dissolve; and technically, to melt by the sole agency
of heat. [WordNet sense 1]

2. To convert from a gaseous form into a liquid; as, to
liquefy natural gas.
[PJC]

liquefied \liquefied\ adj.
1. converted to a liquid; as, liquified natural gas;
liquified coal..

Syn: liquified.
[WordNet 1.5 +PJC]

2. rendered liquid by heating; changed from a solid to a
liquid state; melted.

Syn: molten, liquified.
[WordNet 1.5 +PJC]

3. rendered liquid by dissolution in a solvent; -- of solids.

Syn: dissolved, liquified.
[WordNet 1.5 +PJC]