thumbtack

英 [ˈθʌmtæk]

美 [ˈθʌmtæk]

n.  图钉

TEM8

COCA.36006

柯林斯词典

• 图钉
  Athumbtackis a short pin with a broad flat top which is used for fastening papers or pictures to a board, wall, or other surface.

in BRIT, use 英国英语用 drawing pin

英英释义

noun

• a tack for attaching papers to a bulletin board or drawing board
  Synonym:drawing pinpushpin

verb

• fasten with thumbtacks
  1. The teacher thumbtacked the notice on the bulletin board

双语例句

• Magnet, pick up, screwdriver, thumbtack, paper clip
  磁铁，吸起，螺丝刀，图钉，回形针
• A bright yellow pencil, a blue thumbtack;
  黄色铅笔立得高，蓝色图钉有妙用。
• He affixed the picture to the wall with a thumbtack.
  他用图钉把图片钉到墙上。
• Etsy, airbnb, Uber, thumbtack are all emerging businesses using network effects to build sustainable businesses.
  Etsy、Airbnb、Uber和Thumbtack都是使用网络效应，打造可持续业务的新兴企业。
• I press the thumbtack into the board with thumb.
  我用大拇指将图钉按在木板上。
• "Ouch!" cried the principal." There is a thumbtack in this chair!"
  “哎呦！”校长叫道，“这把椅子上有个图钉！”
• Conclusion The OFDM signals with a generalized chirp-like sequence ( P4), a generalized poly-phase barker sequence and a poly-phase Golomb sequence exhibit thumbtack ambiguity function, their peak-to-average power ratios can be maintained below 2, which are the optimal signals for OFDM multi-carrier TDD.
  结论子载波上发送相位编码序列为广义类chirp序列（P4码）、广义多相巴克码的正交频分复用多载波信号具有图钉形的模糊函数，峰均比PAPR<2是多载波探测的优选波形。
• The thumbtack pricked his index finger.
  大头针扎了他一下手指。
• He pinned up the notice with a thumbtack.
  他用图钉将通知挂起来。
• Methods: 1. Three deerskins ( drown on 7 mm × 7mm square reseaus) was pegged on the board by thumbtack. Then line scar and imperfects of rhomboid or rounded were made in the deerskins.
  方法：1.将鹿皮（标有7mm×7mm正方形网格）固定于木板上，然后在网格上分别设定线性疤痕、菱形或圆形缺损。