常見(jiàn)例句用作名詞 (n.)He pinned up the notice with a thumbtack.他用圖釘將通知掛起來(lái)。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。 返回 thumbtacking