n. 钉, 桩, 栓, 藉口, 销子, 借口
vt. 钉木钉, 固定, 限制, 使受约束
vi. 坚持不懈地奋力于, 疾行
英文释义
n. a wooden pin pushed or driven into a surface
n. small markers inserted into a surface to mark scores or define locations etc.
n. a prosthesis that replaces a missing leg
n. regulator that can be turned to regulate the pitch of the strings of a stringed instrument