Somnifacient
n. 催眠药,安眠药
✅ 同义词
🗣️ 情景例句
I'm Richard. What's your name?
我是Richard！你叫什么？
There is life in the old dog yet.
老当益壮。
As the time and cost of making a chip drop to a few days and a few hundred dollars,
由于制造一块芯片的时间已缩短至几天，费用也只有几百美元，