The researchers also showed that the progenitors mature into neurons in Petri dishes.研究人员还表示,在佩特里培养皿中的脑细胞前体可以发育成神经元.Though I am poor and wretched now, my progenitors were famously wealthy.别看我现在穷困潦倒, 我家上世可是有名的富翁.It is sai...
我见到过这个身着灰色套装的英俊男士。I saw this nice-looking man in a gray suit.“他以前是那么英俊。”——“那么现在呢？”"He used to be so handsome." — "And now?"他的朋友没那么英俊，却随意、放松得多。His friend was less good-looking, but a lot more informal and relaxed....