savannah (also savanna)

n [C, U] (expanse of) treeless grassy plain in tropical and subtropical regions （热带和亚热带的）无树大草原. Cf 参看 pampas, prairie, steppe, veld.

saucepan, saucer, saucily, sauciness, Saudi, sauerkraut, sauna, saunter, saurian, sausage, sausage meat, sausage roll, sausage-dog, saute, savage, savagely, savageness, savagery, savanna, savannah, savant, save, save for, save on, save up, save-as-you-earn, saver, saving, savings, savings account, savings bank, saviour (US savior), savoir-faire, savor, savory, savour (US savor), savoury (US savory), savoy, savvy, saw,