朱由校又一拱手，带头向门口走去。李进忠也向徐光启施了一礼，快步跟了上去。
来源4：https://book.qidian.com/read.qidian.com/chapter/wpfP0AuzHDHiqv-XmFZxCQ2/WNGflK8eEvNMs5iq0oQwLQ2