helium-4造句

• He helium - 4 , two protons and two neutrons as shown in the above figure
  He氦- 3和由中子及质子各两颗组成的
• In 2004 , professor chan received international attention for his discovery , made in collaboration with his former doctoral student , dr . eunseong kim , of a new phase of matter - a supersolid form of helium - 4 with the remarkable properties of a superfluid
  二零零四年，他与其前博士生发现物质新位相氦气4超固体形式中有超流体的特质，引起国际注目。