conserve

keep, retain, reserve, preserve, conserve, withhold

maintain, conserve, preserve, save, store

名词 conserve:

1. fruit preserved by cooking with sugar
   同义词：preserve, conserves, preserves

动词 conserve:

1. keep constant through physical or chemical reactions or evolutionary change
2. keep in safety and protect from harm, decay, loss, or destruction
   同义词：preserve, maintain, keep up
3. use cautiously and frugally
   同义词：husband, economize, economise
4. preserve with sugar

1. Designed to conserve human energy in performing work or to decrease the amount of human labor needed.
   节省劳力的设计用来在工作时保持人体能量或减轻劳动强度的
2. It is important to conserve energy.
   节省能源十分重要。
3. I was surprised to find that the strong man liked to eat conserves.
   我很惊讶地发现这个强壮的男人喜欢吃蜜饯。
4. We must conserve our forests and woodlands for future generations.
   我们必须为子孙后代保护森林资源。

con.serve

v.（动词）
con.served,con.serv.ing,con.serves
v.tr.（及物动词）

To protect from loss or harm; preserve:
保存：保护从而使其不受损失或伤害；保存：
例句：
calls to conserve our national heritage in the face of bewildering change.
呼吁大家在面临令人手足无措的改变时，要保护我们的民族遗产

To use carefully or sparingly, avoiding waste:
节约：谨慎或节省地使用，避免浪费：
例句：
kept the thermostat lower to conserve energy.
减少自动调温机的使用以节约能源

To keep (a quantity) constant through physical or chemical reactions or evolutionary changes.
守恒：在物理、化学反应过程中或演化过程中保持（一种数量）恒定不变
To preserve (fruits) with sugar.
用糖来保存（水果）
v.intr.（不及物动词）
To economize:
节俭：
例句：
tried to conserve on fuel during the long winter.
设法在漫长的冬天里尽量节省燃料

n.（名词）

A jam made of fruits stewed in sugar.
果酱：一种由用糖炖煨过的水果做成的果酱

来源：
Middle English conserven
中古英语 conserven
from Old French conserver
源自 古法语 conserver
from Latin cônserv3re
源自 拉丁语 cônserv3re
com- [intensive pref.] * see com-
com- [前缀，表加强词义] *参见 com-
serv3re [to preserve] * see ser-
serv3re [保存] *参见 ser-

【引伸】
conserv.able
adj.（形容词）
conserv.er
n.（名词）