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useful mineral
有用矿物  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>>
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>>
-most
后缀 最〔用作表示位置、时间、顺序的形容词、副词、名词的词尾以形成形容词〕: endmost, topmost, innermost, utmost.  detail>>
at most
多数人都这样想 最多,至多,不超过 最多,至多 最多,最大限度  detail>>
at the most
大不过 至多, 最多, 不超过, 充其量 至多,顶多 最大 最多,至多,不超过  detail>>