forefinger 专八

He pinched the leaf between his thumb and forefinger.

他将叶子捏在指和食指之间。

Lisa ran her forefinger along the seam of her duffel bag, its microfield sealing up behind as if she had touched it with a magic wand.

丽莎的食指在帆布包的开口上缓缓划过。微场密封条仿佛在魔棒的指挥下随着手指上下滑动。她费力的提起了背包，嘴里轻轻的哼了一声。