petition
n.请愿书,申请书,诉状 v.请愿,正式请求
They wanted me to sign a petition against experiments on animals.他们想让我在一份反对用动物做实验的请愿书上签名。
phase
n.阶段;方面;相位 vt.分阶段实行
a new drug that is in the experimental phase处于试验阶段的一种新药
phenomenon
n.现象,迹象;非凡的人,特殊的事物
Homelessness is not a new phenomenon .无家可归又不是什么新鲜事。
phrase
n.短语,词组,用语 vt.表达,叙述
She used the phrase ‘survival of the fittest’.她用了“适者生存”这个词。
physical
a.身体的;物理(学)的;物质的 n.体检
She was in constant physical pain.她的身体不断感到疼痛。