A cloud is a mass of vapour in the sky.云是天空中的水汽团块.A cloud is a condensation of water vapour in the atmosphere.云是由大气中的水蒸气凝结成的.Clouds are formations of condensed water vapour.云是由凝聚的水蒸气构成的....
Clouds are formations of condensed water vapour.云是由凝聚的水蒸气构成的.Vapour phase chromatography has rapidly become one of the most successful analytical techniques.气相色谱法已经迅速成为最成功的分析方法之一.All condensers work by removing heat from...
Dried gourds are sometimes used as ornaments.干葫芦有时用作饰品.The villagers use gourds for holding water.村民们用葫芦盛水.I like white gourds, but not pumpkins.我喜欢吃冬瓜, 但不喜欢吃南瓜....
Group SMS: Texting the same set of people over and over again?群发短信: 一次又一次的发送同样内容的短信给一群人?But I don't see texting harming teens'ability to communicate.但我不认为发短信会损害孩子的沟通能力.Am I too complacent about all the texting?...