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前缀 tri-
中文含义：三；三倍；三次
Three.
Used for the digit three to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.
Used in combination with a known element name (e.g. 'tri-silicon', 'tri-lead') to designate an unknown element that would reside three periods lower than the known element on a Mendeleev-ty…
词源：Ancient Greek τρι-（three）