1、I worry that Microsoft is introducing Thumbtack at a bad time.
我擔(dān)心，微軟推出了圖釘在一個(gè)壞的時(shí)間。

2、The thumbtack pricked his index finger.
大頭針扎了他一下手指。

3、"Ouch!"cried the principal"there is a thumbtack in this chair"
“哎喲，”校長(zhǎng)叫道，“這把椅子上有顆圖釘?！?/p>

4、"Ouch!" cried the principal. "There is a thumbtack in this chair!"
“哎呦！”校長(zhǎng)叫道，“這把椅子上有個(gè)圖釘！”

5、I press the thumbtack into the board with thumb.
我用大拇指將圖釘按在木板上。

thumbtack翻譯