phs

英 ['piː'etʃ'es] 美 ['piː'etʃ'es]

• n. 称相器(相位调整器)

英英释义

Noun:

1. an agency that serves as the office of Surgeon General; includes agencies whose mission is to improve the public health

近反义词

【近义词】

• United States Public Health Service 美国公共卫生署...