1 N-VAR 礼仪;社交礼节 Protocol is a system of rules about the correct way to act in formal situations. 礼仪;社交礼节
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He has become something of a stickler for the finer observances of royal protocol.
他已经变得非常刻板,哪怕是最细微的皇室礼仪也会遵循。
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...minor breaches of protocol.
小小的失礼
SYN code of behaviour, manners, courtesies, conventions
2 N-COUNT (信息交换)协议 A protocol is a set of rules for exchanging information between computers. (信息交换)协议 [computing]
3 N-COUNT 议定书;协议 A protocol is a written record of a treaty or agreement that has been made by two or more countries. 议定书;协议 [formal]
SYN agreement, contract, treaty, convention
4 N-COUNT 治疗方案;科学实验计划 A protocol is a plan for a course of medical treatment, or a plan for a scientific experiment. 治疗方案;科学实验计划 [US, formal]
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