Mikhail Beketov, editor of a local newspaper, was pummelled with metal poles by an unknown number of attackers and left for dead.

Mikhail Beketov，这位当地一家报纸的编辑被一群不明人数的攻击者用金属杆连续击打至奄奄一息。

youdao

Various other metals (bleached metal), zinc, tin alloy or unknown metal.

除上述金属制品以外的(浅色)金属，如锌，锡合金和其他金属。

youdao

Various other metals (bleached metal), Zinc, Tin alloy or unknown metal.

除上述金属制品以外的金属，如锌，锡合金和其他金属。

youdao

Though her ambition always tolled in the background, she had come to respect him, for his unstudied fairness, his gaiety, his integrity and openness, which was as plain and light and valuable as a metal unknown in her world.

NEWYORKER: In Other Rooms, Other Wonders

Other ETFs do as well, yet some in the market have worried about whether there might be other unknown commitments on the metal, such as collateral or leases.

FORBES: FOCUS: Proposed Van Eck Gold, Silver ETFs Would Allow Redemptions Of Metal