protection: n.1.保护，保卫，防御，掩护，包庇，照顾 (from; against)。2.保护者，防护物 (against); 〔美俚〕(歹徒向人索取的)保护费。3.护照，通行证；〔美国〕(国籍)护照；通行证。4. 【经济学】保护贸易制，保护政策。 短语和例子protection against cold 防寒用具。 protection against moths [lightni
Example Sentences:
1.
The differential relay compares the currents and picks up when there is a difference in the two , which signifies a fault in the zone of protection 差动继电器对电流进行比较，如果存在不同则表示受保护区域内有故障存在。
