I shall be 26 years old on Friday next.下周五我就26歲了.He fled on Friday, saying he feared for his life.他星期五逃走了,說是擔心自己有生命危險。The South African mailboat arrived on Friday mornings unless bad weather intervened.除非受惡劣天氣干擾,南非郵船一般在星...
通常是球狀的 ( 球菌樣的 ) 或長微纖絲的單個細胞.They are spherical ( coccoid ) or form long microscopic filaments of individual cells.PVDF 作為一種生物材料: 從原材料聚合體到單纖絲血管縫合線.Polyvinylidene fluoride ( PVDF ) as a biomaterial: from polymeric raw mater...