n. 服务, 贡献, 雇佣, 公职, 服役, 功劳, 仪式, 送达, 行政部门

vt. 保养, 维修

a. 武装部队的, 服务性的, 仆人的, 耐用的

[计] 服务, 业务

n. work done by one person or group that benefits another

n. an act of help or assistance

n. the act of public worship following prescribed rules

n. a company or agency that performs a public service; subject to government regulation