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单词 pico-
释义
pico-
pref.
1. One trillionth (10-12): picosecond.
2. Very small: picornavirus.

[Spanish pico, beak, small quantity, from Latin beccus, beak, of Celtic origin (influenced by Spanish picar, to prick).]
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更新时间:2024/11/10 11:46:51