Experimentator
n. experiment的变形
✅ 同义词
🗣️ 情景例句
Oh, really?
噢， 是吗？
My brother came in,changed his clothes,and went out again.
我的兄弟进来了，换掉了他的衣服，并再去外面了。
How are things going?
事情进展得怎样？