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protract/
pro'trækt
prə'trækt
/
1.vt.
延长,拖长
2.vt.
（向前）延伸；延长；拖延
3.vt.
延伸
4.vt.
（用量角尺或比例尺）绘制
5.vt.
伸出,突出
6.vt.[Zoology]
伸展；突出[retract之对]
7.vt.
(按比例尺,用量角尺)绘制