adj.兩代人的；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. 用一點小技巧,就可以避免跟蹤每一個指針修改并檢查它是否跨越代邊界的開銷。

It is rash to cross the street without looking both ways. 不朝兩邊看看就穿馬路是莽撞的。

Cross and angry words in family grate upon the ear. 不高興與生氣的話在一個家庭里令人不愉快。

A mule is a cross between a horse and an ass. 騾是馬和驢交配而生的雜種。

The Red Cross dealt out food to hungry soldiers. 紅十字會把食物分發(fā)給饑餓的士兵。