n.

1. 登记，注册[U]
   No register of his death was found.

   没有查到他的死亡记录。

2. 登记簿，花名册[C]
3. 自动登录机，收银机[C]
4. 【音】音域，声域[C]
   That note is in the upper register of this instrument.

   那个音在该乐器的高音部。

5. （冷、暖气的）通风调节设备[C]
6. 【语】语域[C][U]
   Official documents are written in formal register.

   官方文件是以正式语体写成的。

vt.

1. 登记，注册，申报
   Waldo went to the city hall to register the birth of his son.

   沃尔多去市政厅为他儿子作出生登记。

2. （仪表等）标示，指示；记录
   The thermometer registered 70 degrees.

   温度计显示七十度。

3. 流露；表达，显示
   Her face registered surprise.

   她脸上露出了惊异之色。

4. 正式提出
   Thousands joined the march to register their opposition to the cuts in education.

   数千人参加游行表示反对削减教育经费。

5. 挂号邮寄；托运
   I want this letter registered.

   我想挂号邮寄这封信。

vi.

1. 登记，注册
   I registered at a hotel near the train station.

   我在靠近火车站的一家旅馆登记住宿。

2. 【口】（常用在否定句中）留下印象
   I told them I would be leaving, but I don't think it registered.

   我告诉过他们我要走，但我想他们并未留意。

n.

1. an official list or record.
   ▸a record of attendance, for example of pupils in a class.
2. a particular part of the range of a voice or instrument.
   ▸a set of organ pipes which share a tonal quality.
   ▸a sliding device controlling such a set of organ pipes.
3. a variety of a language determined by degree of formality and choice of vocabulary, pronunciation, and syntax.
4. Printing  & Photography  the exact correspondence of the position of colour components in a printed positive.
   ▸Printing  the exact correspondence of the position of printed matter on the two sides of a leaf.
5. (in electronic devices) a location in a store of data, used for a specific purpose and with quick access time.
6. an adjustable plate for widening or narrowing an opening and regulating a draught, especially in a fire grate.

v.

1. enter in or place on a register.
   ▸put one's name on a register, especially as an eligible voter or as a guest in a hotel.
2. express (an opinion or emotion).
   ▸(of an emotion) show in a person's face or gestures.
   ▸ [usu. with neg.] become aware of:

   he hadn't even registered her presence.
3. (of an instrument) detect and show (a reading) automatically.
   ▸(of an event) give rise to a specified reading on an instrument.
4. achieve (a certain score or result).
5. entrust (a letter or parcel) to a post office for transmission by registered post.
6. Printing  & Photography  correspond exactly in position.