overflow mechanism

例句：

1. 1. The riveroverflowed its banks during the flood.
   洪水期间，河流溢出了河岸。
2. 2. Thecake overflowed with frosting.
   这个蛋糕的奶油太多了。
3. 3. The garden wasoverflowing with flowers.
   花园里开满了花。