莎拉给林肯注射了一针，但只能维持一段时间。

Sara gives Linc an injection that will only last for a while.

youdao

根据模板上画好的痕迹在脚趾部分缝一段平针（如图A中红线所示），（以后这部分会被拉紧形成褶皱）

Sew a running stitch (red thread in figure A) on the toe, as marked on the pattern (later it will be pulled to form gathers.)

youdao

但是看看诸如“要梳头不要出汗”等一针见血的建议，你就不会惊奇他这本46页的书为什么在所有年龄段的少男少女中如此风靡。

But with classic plain-spoken advice - like "comb your hair and don't wear sweats" - it's no surprise his 46-page book was a hit with boys and girls of all ages.

youdao