Warm wishes at The Double Ninth Festival.

在重阳节，衷心地祝福你们。

He looked at the double line of peasants and he spat on the ground.

他望望两排农民，朝地上啐了一口唾沫。

They react by adding other chemical agents at the double bond to form derivatives or polymers.

这些化合物的最大用途在于双键与其它化学物质的反应。

He sat at the double graveside and wept for a long time, before feeling a "calmness wash over me".

他坐在两座墓中间，哭了好久，直到他感觉到“安宁冲刷了整个我”。

Westmoreland reveals his secret, "the money's buried under a silo at the Double K Ranch, just outside of Tooele, Utah."

Westmoreland讲出了他的秘密，“那笔钱埋在犹他州Tooele市外的双k农场的一个地窖里。”