adj.两代人的；跨代的
With a little cleverness, it is possible to avoid the overhead of tracking every pointer modification and inspecting it to see if it crosses generational boundaries. 用一点小技巧,就可以避免跟踪每一个指针修改并检查它是否跨越代边界的开销。
It is rash to cross the street without looking both ways. 不朝两边看看就穿马路是莽撞的。
Cross and angry words in family grate upon the ear. 不高兴与生气的话在一个家庭里令人不愉快。
A mule is a cross between a horse and an ass. 骡是马和驴交配而生的杂种。
The Red Cross dealt out food to hungry soldiers. 红十字会把食物分发给饥饿的士兵。
