Totalizer
n. 加法计算器\\n[计] 累加器
✅ 同义词
🗣️ 情景例句
What's wrong, Susan?
怎么啦， Susan？
Know something like the palm of one's hand.
熟知其事，了如指掌。
I think the shop is closed at this time of day.
我想商店在这个时间已经关门了。