twig
n. 小枝
eg. The snap of a twig broke the silence.
一根树枝突然折断打破了寂静。

dung
n. 粪
eg. They rushed about helter-skelter collecting dung and carrying earth.
他们忙忙乱乱地跑来跑去拾粪担土。

mitigate
vt. 使缓和
eg. The judge said that nothing could mitigate the cruelty with which the mother had treated her child.
法官说，这位母亲虐待孩子，罪行无法减轻。

enlist
vt. 征募；使入伍
eg. He decided to enlist in the Marines.
他决定入伍当美国海军陆战队士兵。