The destructive and malignant neoplasms of chorionic epithelium often arise from hydatidiform moles.破坏性和恶性的绒毛膜上皮癌往往是葡萄胎所引起.Moles dug tunnels under the lawn.?鼠在草地下面打洞.Moles have powerful forefeet for digging.鼹鼠的前足非常有力，擅长挖...
For what do we live, but to make sport for our neighbours, and laugh at them in our turn?我们活着是为了什么？不就是给邻居当笑柄，再反过来笑他们。Do not hesitate to laugh at anything you find amusing.只要觉得好笑就尽管笑。He was falsely jovial, with his boomin...
When the form of aversive stimulation is unpleasant mental imagery the technique is known as covert.当使用的厌恶性刺激是引起心理上不愉快的意象时,则称为“隐匿性敏感法”.The identified dopamine neurons were inhibited by aversive stimulus.那些被鉴定的多巴胺能神经元确实被刺...
He was involved in oil, zinc and lead prospecting.他参与了石油、锌和铅的勘探。Brass is an alloy of copper and zinc.黄铜是铜锌合金。the fusion of copper and zinc to produce brass铜与锌熔合成黄铜...
The dealers profited shamefully at the expense of my family.这些经销商通过损害我家人的利益不光彩地赚钱。Farmers with many acres under cultivation profited.耕种大片土地的农场主挣了钱。Taking these courses profited him.选修这些课程对他有好处....