crosswise
/ˈkrɒswaɪz/adverb
1- in the form of a cross成十字形地：
their arms were held out crosswise.
他们的胳膊交叉着伸出。
1.1
- diagonally; transversely交叉着; 横跨地：
wash the potatoes and halve them crosswise.
将土豆洗净后横切成两半。