Significats de tractile en anglès

The shy hairy men who herd the tractile flocks might be, except for some added clothing, the very brethren of David.

True, many chronic diseases are obstinate, yet a course of restorative medication persistently followed, promises a fortunate issue in this tractile temperament.

The error in question is, that hard-surfaced wheels will not bite on a moderately rough surface, sufficiently to give an efficient tractile power.