Traversoite
硅钴孔雀石
🗣️ 情景例句
but I don't want to put it off too long.
但我希望不要拖得太久。
Can I help?
要我帮忙吗？
The American president who fought for the freedom of slaves in the USA.
为美国奴隶的自由而战的美国总统。