vt.

1. 保存；保护；节省
   Such laws exist only to conserve the privilege of this selfish minority.

   这种法律的存在只会保护这一小部分自私自利者的特权。

   We turned the bicycle lights off to conserve the batteries.

   我们把自行车的灯关了，以节省电池的用电。

2. 用糖保存，将……做成蜜饯
   conserve fruit

   将水果做成蜜饯

3. 【物】使守恒
   conserve momentum

   使动量守恒

n.

1. 糖渍食品，蜜饯；果酱[C][P1]

v.

1. protect from harm or destruction.
   ▸prevent the wasteful overuse of.
2. Physics  maintain (a quantity) at a constant overall total.
   ▸Biochemistry  retain (a particular amino acid, nucleotide, or sequence) unchanged in different protein or DNA molecules.

n.