围棋术语。在对局双方的接触战中，对对方的着法暂时置之不理，争得先手投于它处，称“脱先”。一般具有争取主动的用意。“脱先”在局部难免遭到损失，须统筹全局，方能判定优劣。日本称为“手拔”。
另一个例子：当你的医生说“脱下你的衣服”，若此时你也对医生说“医生，你先脱”则是没有用的。
Another example: When your doctor says "take off your clothes," it makes no sense for you to say, "you first, doc."
新诗先脱“古典”之身而成幽灵，再得“现代”之体而寻典律——“现代汉诗”的确立，为新诗的诗体建设，提供了可能的平台。
The establishment of "modern Chinese verse" has provided a stage for the probable development of the poetic pattern for new verse.
针对海洋沉积环境样品DNA提取中的腐殖酸去除难题，采取先脱除腐殖酸再提取DNA的策略，进行了海洋沉积物dna提取前的简易脱腐方法研究。
A strategy of removing humic acids (HAs) prior to DNA extraction was conducted to resolve the problem of removing HAs from Marine sediments in DNA extraction.
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