金丹

jīndān

金丹 — jīndān

1. an elixir or cinnabar pill in Daoist alchemy believed to grant immortality or longevity

   古代炼丹家追求长生不老，常以金丹为最终目标。 gǔdài liàndān jiā zhuīqiú chángshēngbùlǎo chángyǐ jīndān wèi zuìzhōngmùbiāo — Ancient alchemists pursued eternal life and often regarded the elixir (jindan) as the ultimate goal.

2. figuratively, a supreme achievement, essential essence, or a prized core outcome

   这项研究的金丹是一套创新的节能方案。 zhèxiàng yánjiū de jīndān shì yītào chuàngxīn de jiénéng fāngàn — The crown jewel of this research is an innovative energy-saving plan.