Person insuring
[经] 投保人
🧩 词语组成解析
v. 保证( insure的现在分词 ); 确保; 为…保险; 投保
🗣️ 情景例句
Both are equally effective.
两者都有效。
She insists that it doesn't make any difference to her.
她坚持对她没有任何差别。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。