大多数海洋腹足纲软体动物在某些幼体阶段形成一种有纤毛的游泳器官。Most marine gastropod mollusks develop a ciliate swimming organ in certain larval stages.我那不怕疲劳的小纤毛每秒钟约做10次清扫动作.My tireless little cilia make about ten sweeping strokes a second.健康的皮肤, 粘膜...
They greeted him joyfully.他们愉快地和他打招呼。She tripped along joyfully as if treading on air.她高兴地走着,脚底下轻飘飘的.During these first weeks she slaved joyfully.在最初的几周里,她干得很高兴....
I was overwhelmed with longing for those innocent days of early childhood.我内心充满着对纯真的童年时光的怀念。Now, incongruously, ridiculously , she found herself longing for a cheese sandwich.令人奇怪的是,此时此刻她却不合时宜地渴望吃上一块奶酪三明治.He felt a longi...