Polydeoxynucleotide
[医]多聚脱氧核苷酸
🗣️ 情景例句
I was teaching music,
我当时教音乐，
The busiest men find (or have) the most leisure (or time).
最忙的人时间最多。
The film was set in California in the middle of the nineteenth century.
这部影片是以19世纪中叶加利福尼亚为背景的。