Suddenness
n. 意外, 突然
✅ 同义词
📖 牛津释义
suddenness
n [U].
🗣️ 情景例句
It was very thoughtful of you to send flowers.
你送花来，想得真周到。
Do you like going to see painting exhibition?
你喜欢参观画展？
easily obtainable from the lunar rocks in the form of liquid oxygen.
从月球上的岩石中很容易提炼出液态氧，