scuba

n underwater breathing apparatus consisting of a cylinder or cylinders of compressed air, attached by a hose to a mouthpiece 水肺（水下呼吸器）: [attrib 作定语] `scuba diving 戴水肺潜水.

scrubbing-brush, scrubby, scrudge, scruff, scruffily, scruffiness, scruffy, scrum, scrum-half, scrummage, scrumptious, scrunch, scruple, scrupulous, scrupulously, scrutable, scrutineer, scrutinize, scrutinize, scrutinise, scrutiny, scud, scuff, scuff (also `scuff-mark), scuffle, scull, scullery, scullion, sculpt, sculptor, sculptural, sculpture, scum, scummy, scupper, scurf, scurfy, scurrility, scurrilous, scurrilously, scurrilousness,