Simultaneousness
n. 同时性
✅ 同义词
📖 牛津释义
simultaneousness
simul-taneity, ns [U].
🗣️ 情景例句
What did you say? I didn't quite get that.
你说什么？我没听清楚。
What nerve!
脸皮真厚！
Where can I check in?
在哪儿办理登记手续？