Grammaticalness
n. 符合语法规则
🗣️ 情景例句
I'm afraid I'll be tied up tomorrow at ten.
恐怕明天上午10点我很忙。
For a lost thing care nothing.
一事之失，不必介意。
they aroused great interest at the time, they had important theoretical consequences,
这些观察在当时引起了人们极大的兴趣，具有重要的理论意义，