互相连络 meaning in Chinese

interconnection

When the alien tarsians attack , mikako volunteers to be a pilot in the space force that will protect mankind . the lovers try to remain in contact using cellular telephone text messages , but as each battle takes mikako further from the earth , each message takes longer to arrive . will their love stand the tests of time and distance
分离于地球和宇宙之间的美加子与阿升，两人虽用手机的电子邮件互相连络，但随著美加子所乘的里希提亚号逐渐远离地球，电子邮件的信传递所需时间也越来越久。