Small short nails with flat heads

• Thumbtacks used to pin papers to surfaces

平头短钉

• 图钉，用于把纸固定在表面上

Loose temporary stitches used to hold fabric pieces in place

用于临时固定布料的粗针脚或粗缝

Courses or legs sailed while working to windward

• The maneuvers of turning the bow through the wind

迎风航行时的各个航段

• 船头穿风转向的换舷动作

Courses of action or methods; approaches

• A change to a different approach

处理问题的方法或策略；应对路径

• 改换一种做法

Third-person singular present of tack

• Attaches with tacks, bastes, or turns a sailboat through the wind

动词 tack 的第三人称单数现在时

• 用图钉固定、粗缝，或使帆船换舷