Dubnium
n. 钅杜（第105号元素）▽
🗣️ 情景例句
do you need any help?
需要帮忙吗？
Please come over any time.
请随时光临。
that twenty or thirty pages of ideas and information would be capable of turning the present-day world upside down, or even destroying it.
二三十页材料中的思想和情报会使当今的世界天翻地覆，甚至毁灭这个世界。