tack
US /tæk/
UK /tæk/

1.
大頭釘, 圖釘
a small, sharp-pointed nail, usually with a broad, flat head, used for fastening or holding things in place temporarily
:
•
He used a tack to pin the notice to the board.
他用大頭釘把通知釘在板子上。
•
Be careful not to step on any loose tacks.
小心不要踩到任何鬆動的大頭釘。
2.
1.
2.
搶風轉向, 改變方向
to change direction, especially in sailing, by turning the front of the boat through the wind
:
•
The captain ordered the crew to tack the sailboat.
船長命令船員搶風轉向帆船。
•
We had to tack several times to reach the harbor.
我們不得不搶風轉向幾次才能到達港口。