painless
形容词 B2中文： 无痛
- Free from pain; without pain or trouble.
- Not difficult; easy.
来自图书馆
When the doctor came he said that death had been instantaneous and probably painless, caused in all likelihood by some sudden shock.
在真实文章中学习painless
注册免费账号后，在图书馆中把鼠标悬停在任何单词上即可看到意思，还能听朗读、收藏单词并按你的记忆安排复习，看到每本书你已经认识多少。