Naegleria
纳氏虫属
🗣️ 情景例句
OK, Susan.
好的，Susan
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
Suddenly my wife spotted a boat moored to the bank.
突然，妻子发现岸边泊着一条小船，