Hemicholine
密胆碱
🗣️ 情景例句
OK. Is that all?
好的。就这样完了吗？
You are still thinking about a Ph.D., aren't you?
你还是想学成博士，是吗？
Around the year 1600 the first horses were brought to the American continent by the Spanish.
大约在1600年的时候，西班牙人把第一批马匹带来美洲大陆。