sandwich course

course of training in which periods of instruction and practical work alternate 工读交替制课程.

sand-castle, sand-dune, sand-fly, sand-pit, sand-shoes, sand-yacht, sandal, sandalled, sandalwood, sandbag, sandbank, sandboy, sandiness, sandpaper, sandpiper, sands, sandstone, sandstorm, sandwich, sandwich board, sandy, sane, sanely, sang, sang-froid, sangria, sanguinary, sanguine, sanguinely, sanguineness, sanitarium, sanitorium, sanitary, sanitary towel, `sanitary pad, sanitation, sanitize, sanitise, sanity, sank, sanserif, Santa Claus, sap,