posterior limb的用法和樣例：
例句
- Terrestrial carnivores have four or five clawed digits on each limb.
陸棲食肉動物的前後肢上都長有四個或五個帶爪的足趾。 - The transplanted adult stem cell and its differentiated descendants restored lost function to mice with hind limb muscle tissue damage.
移植的成體幹細胞分化及其後裔恢復了功能，小鼠後肢肌肉組織的破壞。
