Restriction fragment
限制酶断片
🧩 词语组成解析
🗣️ 情景例句
The main course: steak and potatoes.
主菜 牛排和马铃薯。
This food is out of this world.
这真是人间美味。
Dressed in dark glasses and old clothes, they had taken special precautions so that no one should recognize them.
他们戴着墨镜，穿着旧衣裳，特别小心以防别人认出他们。