Restriction fragment
限制酶断片
🧩 词语组成解析
🗣️ 情景例句
And you can both benefit financially.
你们俩都获得金钱上的利益。
Opportunity only knocks once.
机不可失，时不再来。
There's something wrong with my left shoulder. I hurt it while I was doing gym. I've got a pain here too.
我的左肩疼痛。我做体操时受伤了。这里也疼。