体力を温存する

conserve my strength/save your energy

conserve　/kən'sɜːv/　/kən'sɜːrv/　verb

★ conserve something 　to protect something and prevent it from being changed or destroyed

・new lows to conserve wildlife in the area

悪影響を及ぼさないために無駄に何かをしない（行動しない）

(単純に～をしない：～を保存する）

preserve   /prɪ'zɜːv/　/prɪ'zɜːrv/　verb

将来のために保存･改修する（行動する）

(特定の行動をする：冷蔵庫に入れる、補強する etc)

We need to conserve natural areas for future generations.

自然地域をそのままにする⇒ダメージを与えたり使用したりすることをやめる

We need to preserve natural areas for future generations.

将来において自然価値が下がらないように何か行動する⇒植林･フェンスを設ける等

I kept the cookies in a box to preserve them.

We need to preserve these artworks for future generations.

The city asked people to conserve water by not taking baths.

She sat down so she could conserve her strength.

strength  /streŋkθ/　noun  力強さ･筋力･体力

★ the quality of being physically strong

・He pushed against the rock with all his strength.

・It may take a few weeks for you to build up your strength again.

・She gradually regained strength in her legs.

・He had a physical strength that matched his outward appearance.

・She didn't have the strength to walk any further.

outward  adj)外へ

outward appearance 外見･外観･見せかけ

energy       n)エネルギー･活力･元気