Dinucleotides
(dinucleotide 的复数) n.[生化]二核苷酸
🗣️ 情景例句
And these are pictures of people working:steelworkers, bankers, police, street vendors,ambulance drivers, doctors….
这是工作中人们的照片：钢架工人、 银行职员、警察、街头小贩、救护车驾驶 医生等等……
It's a worthwhile cause.
这是值得为之奋斗的事业。
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
顺便提一句，上星期六上午我来到这个教室时