Objective : To study tissue chara ct eristics of Humulus lupulus, powder characteristics, physical and chemical characteristics.目的: 探讨忽布的组织构造 、 粉末特征及常见的理化特性....
我有快要下雪的预感.I have a hunch that it will snow soon.她喜欢住在不下雪的地区.She would like to live in a country where it never snows.因为下雪的原因,预定的航班被迫取消.The scheduled flights had to be cancelled because of snow....