Summer 1941: Hitler invades the Soviet Union. Convoys of cargo ships with war materials began the perilous journey to Murmansk, and ordinary sailors face the German superiority in the icy Arctic sea, putting their lives at stake.要还是不要，陈天豪纠(👒)结了一下(🛥)，一百万(wàn )分只为换一个鉴定器升级，值(zhí )得吗？一百万分已经(🕔)可以兑换四级(💹)大脑了，只要获(huò )得四(🌄)级(jí )大脑(nǎo )的兑换资格，即可升(shēng )级到部(bù )落时(shí )代。