我要把我的外套拿到楼上去。罗伯塔，要我把你的也拿上去吗？I'll take my coat upstairs. Shall I take yours, Roberta?罗伯塔既灰心又生气。Roberta felt frustrated and angry.在拥挤的人群中间, 一定有罗伯塔的父母.Amid this closely pressing throng, there must be Roberta's fat...
有人能想出一种不会破坏生态环境而又能够赶跑蜘蛛的办法吗？Can anyone suggest a method of deterring spiders which is ecologically sound?那蜘蛛的黑色身子有如天鹅绒般光滑.The spider has a velvety black body.科学家们对织网型蜘蛛的兴趣在于构成蛛网的丝线.What interests scientists about web - w...