A breaking off in a speech to address directly a person (often dead or absent).

【修】对呼(演说中忽变语气而对已去世或不在场的人所作的呼语)。

The sign(') used to denote the omission from a word of one or more letters, as I'll for I will, or to mark the possessive case of nouns.

【文法】(字母之)省略号(')(如 I'll 代 I will)；表示名无所有格之符号。