| 词汇 | gram |
| 词根词缀 | 词源： 1797, from Fr. gramme, from L.L. gramma "small weight," from Gk. gramma "small weight," originally "letter of the alphabet," from stem of graphein "to draw, write." Adopted into Eng. about two years before it was established in Fr. as a unit in the metric system by law of 19 frimaire, year VIII (1799). |
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