protein ladder

 
       
  • 蛋白梯

protein ladder的用法和样例:

例句

  1. Mary was afraid of falling from the ladder.
    玛丽害怕从梯上掉下来。
  2. She came to a small ladder, and climbed up.
    她走到一架小梯旁,爬了上去。

protein ladder的相关资料:

临近单词

今日热词
目录 附录 查词历史