Unknotting
(unknot 的現在分詞) vt. 解開...結子
??? 情景例句
He's unwilling to accept advice.
他不愿接受勸告。
I'm sorry to have kept you waiting.
很抱歉，讓你久等了。[分詞作狀語]
The shape and dimensions of the skyscrapers depend entirely on the necessity of obtaining the maximum income per square foot of ground,
每平方英尺地皮取得最大收入