After days of heavy rain, the river began to overflow its banks, submerging the low-lying farmland.
连续几天的大雨之后，河水开始溢出河岸，淹没了低洼的农田。
Which choice best defines “overflow”?
D — To flow over the edge. “overflow” means to flow over the edge.
Which word means “to flow over the edge”?
B — overflow. “overflow” means to flow over the edge.
overflow — to flow over the edge. In Chinese: 溢出，泛滥.
overflow is pronounced /ˌoʊvərˈfloʊ/.
After days of heavy rain, the river began to overflow its banks, submerging the low-lying farmland. (连续几天的大雨之后，河水开始溢出河岸，淹没了低洼的农田。)
spill, flood, brim over — all close in meaning to overflow (to flow over the edge).
recede, drain — each the opposite of overflow (to flow over the edge).
Yes. overflow is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.