石蕊: 从几种地衣类植物中获取的带色有机化合物的混合物.Litmus: Mixture of coloured organic compounds obtained from several species of lichens.例如石蕊和酚酞.Examples are litmus and phenolphthalein.它能改变指示剂的颜色,使石蕊和通用指示剂变蓝.It can change the color of the ind...
Several families have been turfed out of their homes.有几家人被逐出了家园.They just want to return to their families in the occupied territories.他们只是想回到在占领区的家人身边。The ladies spent some time catching up on each other's health a...
He gallantly kissed Marie's hand as we prepared to leave.我们准备离开的时候，他非常有礼貌地吻了吻玛丽的手。Wavell responded gallantly to the many cumulative calls made upon him.韦维尔对历次向他提出的那些要求作了勇敢的回答.Those explorers gallantly adventured on ...
苦恼是无谓的。There's no point in getting upset.化学品在无谓地污染着土壤。Chemicals were pointlessly poisoning the soil.防守队员完全因为粗心大意而造成了无谓的失球。The defence conceded stupid goals through sheer carelessness....