Rarefactional
稀少的
🗣️ 情景例句
Know what I'm saying?
知道我在说什么吗？
It's urgent to improve the packing.
必须马上改进包装。
She is a strong swimmer and many people feel that she is sure to succeed.
她是一个游泳能手，很多人认为她一定能成功。