secondly
adv. /ˈsekəndli/ B2
其次；第二
Used to introduce a second point or reason.
仙境例句
“Firstly, you must sit up straight,” said the old master, “and secondly, you must not cry.”
“第一，你们要坐直，”老先生说，“第二，不许哭。”
原著这一句
Alice did not much like keeping so close to her: first, because the Duchess was very ugly; and secondly, because she was exactly the right height to rest her chin upon Alice’s shoulder, and it was an uncomfortably sharp chin.
爱丽丝不太乐意挨她这么近：一来是因为公爵夫人长得很丑；二来是因为她的个头正好能把下巴搁在爱丽丝的肩膀上，而且那下巴尖得让人怪难受的。
卡罗尔原著 · 第 9 章