Unattainability
不可到达性
🗣️ 情景例句
Many people believe that GM food is not good for your health.
许多人认为基因改良食品对健康有害。
How can I get in touch with you?
我要怎样联络你呢？
It has belonged to our family for a long time.
我们家有这件乐器已经很久了，