【名词&注释】
婴幼儿(infant)、生长发育(growth and development)、营养状况(nutritional status)、课桌椅(desk-chair)、不发达(underdevelopment)、经常性卫生监督(regular sanitary inspection)
[填空题]婴幼儿胸部肌肉不发达(underdevelopment),胸腔狭小,呼吸以()为主。