Swithin turned her round to the lamplight, and discerned a streak of blood on her cheek.

Swithin 将她转身对着灯光，发现她的脸颊上有一道血痕。

As Mad Jack dismounted, the officer noticed a streak of blood across his ear and neck, and asked about the fresh injury.

当疯狂杰克下马时， 军官注意到他的耳朵和脖子上有一条血迹，并询问了新鲜的伤势。

' Then he put him back into the water, and the fish darted straight down to the bottom, and left a long streak of blood behind him on the wave.

’然后他又把他放回水里，鱼径直游到水底，在他身后的波浪上留下一道长长的血痕。