Fenced
v. 围以栅栏( fence的过去式和过去分词 ); 搪塞; 支吾; 回避
✅ 同义词
🗣️ 情景例句
I doubt it, sir. We'll try, but I can't promise anybody before 3:30.
我没把握，先生。我们会尽早的，但我不敢许诺3：30以前行。
Why was only he exempted from work?
为什么只有他不必工作呢？
it must be known to any kind of radio astronomer in the universe.
这个频率是宇宙中任何射电天文学家都应该熟悉的。