Originally called Lili, she eventually shortened her name to Lee.她原先叫Lili（莉莉），最后她把名字略作Lee（李）。The skirts were shortened an inch or two.这些裙子被改短了一两英寸。She shortened the skirt by an inch.她把裙子缩短了一英寸....
Bacteriophage ( phage ) A virus that infects bacteria.噬菌体 :感染细菌的病毒....a simian virus.一种猴病毒the ability of the virus to mutate into new forms病毒变异成新菌株的能力human immunodeficiency virus or HIV人体免疫缺陷病毒，即HIVObjective : To establi...
该州十一所学校是用一种濒临灭绝的海洋动物——海牛来命名的.Eleven honor the manatee, an endangered sea animal found in that state.我们看了海豚 、 海牛 、 海狮和鲸的表演.We watched dolphin, manatee, sea lion and whale shows.海象的外形是从海牛物种里演化而成.The shape of Walrus evolved...
当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.他们零星散居在安第斯山脉的高处。They live high ...