Safety pin
n. 安全別針
?? 詞語組成解析
pin
[pin]
n. 釘;別針，扣針，飾針;大頭針;沒價值的東西;
vt. 壓住;（用釘?shù)龋┽斪。斪。瑒e住，扣住;用障壁等)圍住，關(guān)住（俚語）抓住;[軍]牽制;
adj. 針的;釘?shù)?銷的;大頭針的;
??? 情景例句
Robots can be used for many tasks which are considered too dangerous for people to do.
機器人能完成許多對人類來說是很危險的任務(wù)。
The sleeping fox catches no poultry.
睡覺的狐貍抓不到雞鴨。
It was stolen twenty years ago when Dan was a boy of fifteen!
這是20年前丹還是一個15歲的孩子時被人偷走的！