straddle

n. 跨坐
v. 跨坐,把两腿叉开

An option to buy or sell a stock, including put, call, spread, and straddle.

优先购买权买卖股票的选择权，包括投资、交货、买卖差额和买空卖空

So as to straddle or bridge; astride.

跨着以便跨过或横过；横跨