Deadfall
n. 陷阱, 倒下的树木
✅ 同义词
🗣️ 情景例句
I believe my English fluency is quite good.
我认为自己的英语相当的流利。
A good example is the best sermon.
身教胜似言教。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，