关于解释单词！！

a doubt or feeling of not being able to agree with or accept something completely
预约;an arrangement to have something such as a seat or a table at a restaurant kept for you.

reservation
An arrangement by which accommodations are secured in advance, as in a hotel or on an airplane.
预订：预先得到房间或座席的安排，如在旅馆中或飞机上
The accommodations so secured.
预订的房间或座席
The record or promise of such an arrangement.
预订的记录或允诺

reservation
KK: []
DJ: []
n.
1. 保留(意见);异议[C][U]
They accepted the proposal without reservation.
他们无保留地接受了这个建议。
2. (公共)专用地;禁猎区;自然保护区;【美】【加】保留(给印第安人居住的)区域[C]
There are a lot of Indian reservations in Arizona.
亚利桑那州有许多印第安保留区。
Most Indians live on reservations established by the Federal Government.
大部分印第安人生活在联邦政府建立的保留地上。
3. 【英】中央分车带[C]
4. 预订;预订的房间(或席座)[C]
We have made reservations for three rooms at the hotel.
我们已在这个旅馆预订了三个房间。