Simulium avidum
[医] 鸟蚋
🧩 词语组成解析
[医] 蚋属
🗣️ 情景例句
Fortunately, they returned safely.
说来幸运，他们平安回家了。
Which one is more difficult?
哪一个是比较难的？
He has never borrowed money from me.
他从未向我借过钱。