Labourious
a. 吃力的;困难的;麻烦的
🗣️ 情景例句
What for?
为什么？
Well, it really was a great honor to speak to you.
好了，能跟大家聊一聊非常荣幸。
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，