reserve比較常見，是指為“留作後用”的保留、預訂,可指保留座位、權利、意見等等,。
preserve則不光是只「保留」，還強調保留下來「收藏」，使東西完好無損,側重“為了不至於滅絕、損壞”而進行的保護。
壹、reserve
讀音：英 [rzv] 美 [rz?rv]
釋義：
v.? 保留；預留
n.? 儲量；（官方指定的）土著人居留地；專用地；矜持，拘謹；的簡稱；（陶瓷裝飾或紡織品印染中保留原色的）防染本色區
adj. ? 後備的，備用的，預備的
例句
1、用作及物動詞 (vt.)
We reserve the right to lodge a claim for loss.
我們保留要求賠償損失的權利。
I have reserved a table at the restaurant.
我已在飯店預訂了壹桌菜。
The court will reserve judgement.
法庭將延期判決。
2、用作名詞 (n.)
He has played very well on the reserve side but this chance in the first team should put him on his mettle.
他在候補隊中表現非常出色,但這次作為正式隊員參賽將對他的能力進行考驗。
The army should be equipped with sufficient war reserves.
軍隊應該得到充足的軍需儲備品。
The old man keeps a large reserve of firewood for cold weather.
這位老人貯存了大量的柴薪以備天冷時用。
3、用作名詞 (n.)
He spoke with reserve.
他說話謹慎。
The ultimate reserve was a source of his fascination and his power.
最大限度的克制是他獲得魅力和力量的壹個源泉。
二、preserve
讀音：英?[pr?'zv]? ? ?美?[pr?'zrv]?
釋義：
v.?保護；保存；保持
n.?禁獵區；蜜餞
例句
1、用作動詞 (v.)
It is highly important to preserve the environment.
保護自然環境至關重要。
It's the duty of the police to preserve the public order.
維護公***秩序是警察的職責。
You should preserve your papers for future use.
妳應當把妳的文件保存起來以備將來之用。
I tried to preserve my independence.
我試圖保持自己的獨立性。
用作名詞 (n.)
No hunting is allowed in the preserve .
在禁獵區內不許打獵。
Mother made some preserves.
母親做了壹些蜜餞。