If one firm goesunder it could provoke a cascade of bankruptcies.
如果一家公司倒闭,可能会引起一连串的破产。
《柯林斯英汉双解大词典》
2
If an ocean floor tectonic plate meets the edge of a continent and they push against each other, the heavier one sinks down and goesunder the other one.
如果一个海底构造板块与大陆边缘接触并相互挤压,较重的板块下沉到另一个的下面。
3
A diver faces danger each time he goesunder water.