Oxylith
过氧化钠和漂白粉的混合物
🗣️ 情景例句
the first settlers in America.
他们是第一批来美国定居的移民。
Wouldn't that be too much bother?
不会太麻烦吧？
and then only if we are very original.
就这也需要我们有独创的思想。