Homonucleside
同型核苷
🗣️ 情景例句
What about the bet?
那打赌的事呢？
He preaches best who lives best.
言教不如身教。
Diamond necklaces and rings had been beautifully arranged on a background of black velvet.
钻石项链、戒指漂亮地陈列在黑色丝绒上面。