Aitiogenous
产生反应的
🗣️ 情景例句
The old couple has already been married for fifty years.
那对老夫妻结婚已经 50 年了。
Out of sight, out of mind.
久违情疏。眼不见，心不烦？
Susan is going to finish college.
苏珊将完成大学学业。