v.维持( sustain的第三人称单数 )，支撑，忍受，长期保持...

The sea wall sustains the shock of the waves.海堤能抵挡海浪的冲击.The breakwater sustains the shock of the great waves.防波堤承受巨浪的冲击.This novel sustains the reader's interest to the end.这部小说使读者到最后都依然兴趣浓厚....

sustains的音标：...