Caltrops
n. 三角钉
🗣️ 情景例句
Workers have to work very hard to keep bread on the table.
工人得十分努力工作才能赚钱糊口。
He could always come up with a reason for them to linger another month.
他总能想出个理由来让他们再耽误上一个月。
Alfred the Great acted his own spy,
阿尔弗雷德大帝曾亲自充当间谍。