耳钩的英文：
tack
n. 方针，思路；航向；大头钉；食物；粗缝
v. 用大头钉固定；粗缝；曲折航行，抢风航行；附加
In desperation I changed tack.
我走投无路，于是改变了策略。
The captain ordered a change of tack.
船长下令改变航向。
Tack the cord around the cushion.
用粗线沿着垫子边绷一圈。
They decided to tack an amendment to the bill.
他们决定在议案中附加一个修正案。
Inkometer: An instrument for measuring the tack of printing ink. See tack.
油墨粘度计:量度印刷油墨粘度的仪器。参阅粘度。