1
- a face of a clock or watch that is marked to show units of time钟面, 钟盘; 表面, 表盘。
1.1
- a similar face or flat plate with a scale and pointer for showing measurements of weight, volume, or pressure（显示重量、容量或压力的）刻度盘, 标度盘。
1.2
- a disc with numbered holes on a telephone, enabling someone to make a call by inserting a finger in each of the holes corresponding to the number to be called and turning the disc（电话机的）转动拨号盘。
1.3
- a plate or disc on a radio, cooker, washing machine, or other piece of equipment that is turned to select a wavelength or setting（收音机）的调台器; （炊具、洗衣机或其他设备的）调节控制器。
1.4
- Brit. informal a person's face〈英, 非正式〉（人的）脸：
he must be one of the new batch-I haven't seen his dial before.
他肯定是新来的, 我以前没见过这张脸。
(dialled, dialling; <美> dialed, dialing) with obj.
1
- call (a telephone number) by turning a disc with numbered holes or pressing a set of buttons拨（电话号码）：
she dialled 999
她拨了999
no obj. company employees dial out from their office.公司员工从办公室向外打电话。
1.1
dial something up
gain access to a service using a telephone line通过电话线获取（某种服务）：plans to enable customers to dial up videos from their living room.
使客户能在起居室里通过电话线看录像的计划。
2
- indicate or regulate by means of a dial（使用调节器来）指示（或调节）：
you're expected to dial in volume and tone settings.
你应该用调节器来控制音量和音调。
2.1
- include or add包含; 附加：
the car has a lot of understeer dialled into the suspension.
这辆车的悬架装置中存在严重的转向不足。
短语
be （或get） dialled in
- informal be or become so focused that one is able to perform to the best of one's abilities〈非正式〉全神贯注; 全身心投入：
I didn't really get dialled in until the final qualifying session.
直到最后一次资格赛我才真正做到了全身心投入。
词源
Middle English （denoting a mariner's compass）： from medieval Latin diale 'clock dial'， based on Latin dies 'day'.