SIGN中文 (简体)翻译：剑桥词典 - Cambridge Dictionary The priest made the sign of the cross (= made the shape of a cross by moving his hand between four points on his chest) when he entered the church 牧师走进教堂时，在胸前画了个十字。
Sign: Sign of real or complex numbers—Wolfram Documentation Sign tries various transformations in trying to determine the sign of symbolic expressions For exact numeric quantities, Sign internally uses numerical approximations to establish its result