universal sliding microtome

例句：

1. 1. The universal truth is thatevery child needs love and care.
   普遍真理是，每个孩子都需要爱和关怀。
2. 2.The universal language of the universe is mathematics.
   宇宙的通用语言是数学。
3. 3.The universally accepted wisdom is that patienceis key to success.
   被广泛接受的智慧是，耐心是成功的关键。