calyptra

例句：

1. 1. The actress wore a calyptra to hide her identity.
   女演员戴着面纱以隐藏自己的身份。
2. 2. The ancient Egyptians used calyptra as a form of protection.
   古埃及人使用面纱作为一种保护方式。
3. 3. The calyptra was made from silk and had intricate designs on it.
   面纱是由丝绸制成的，上面有复杂的图案。