Carol managed a few proper snivels for the sake of appearance.为了做做样子,卡萝尔适时地抽了几下鼻子。She called on us merely for the sake of courtesy.她来访只是为了礼貌.For the sake of our friendship after years, do me this honour!看在咱哥俩多年的情分上, 你就赏个...
切开之后, 断面上还会有红色的丝状物.After incision, on the cross section also can have redfiliform.花冠筒内丝状物为退化雄蕊的短花丝.The thread in the corolla is the short filament of a degenerated stamen....