Ld
致死剂量
🗣️ 情景例句
No, Mom. We had a great time.
不， 妈妈。我们玩得很高兴。
If they say you are good,ask yourself if it be true.
若有人称赞，自问对不对。
Moreover, unlike some of the other insect eaters, spiders never do the harm to us or our belongings.
此外，蜘蛛不同于其他食虫动物，它们丝毫不危害我们和我们的财物。