concurrent
adj. 并存的，同时发生的；同意的，一致的；（两个或两个以上徒刑判决）同时执行的；（三条或三条以上线）共点的，会合的
n. 共点；同时发生的事件
例句
It has been frequently assumed, but not proved, that the majority of the migrants in what has come to be called the Great Migration came from rural areas and were motivated by two concurrent factors.
人们常常假设，但没有证据证明，在所谓的“大迁移”中，大多数移民来自农村地区，这是由两个同时发生的因素推动的。
Galerie St. Etienne is holding three concurrent exhibitions.
圣·艾蒂安美术馆在同时举办3场展览。
《柯林斯英汉双解大词典》
He will actually be serving three concurrent five-year sentences.
实际上他要同期服3个5年的刑期。
