Sepcete
薄膜型液相色谱填充剂
🗣️ 情景例句
I researched it for over a year.
我研究了一年多。
It is a great art to laugh at your own misfortune.
对己之不幸付之一笑，这是一门伟大的艺术。
If the Houses of Parliament had not been burned down in 1834, the great clock would never have been erected.
如果不是国会大厦在1834年被焚毁的话，这座大钟永远也不会建造。