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useful mineral
有用矿物  detail>>
holmium  detail>>
act as a most useful second
大力支援, 成为左右手  detail>>
the most important and useful to society
对社会最重要、最有用 最有用  detail>>
mineral salt
矿物盐 矿质盐 天然盐 无机盐  detail>>
mineral salt; inorganic salt
无机盐  detail>>
glucose mineral salt agar
葡萄糖无机盐琼脂  detail>>
mineral salt agar
无机盐琼脂  detail>>
mineral water salt
矿泉水盐  detail>>
phenol mineral salt medium
酚无机盐培养基  detail>>
钬ho
holmium  detail>>
be useful
有用场  detail>>
be useful for
对…有作用例如  detail>>
be useful to
对有益 对…有用  detail>>
useful
 adj.  1.有用的,有益的,有效的,有帮助的。 2.〔俚语〕值得称赞的,精通…的 (at)。  短语和例子  &n...  detail>>
ho =【化学】 holmium 钬。
ho  detail>>