Conchostraca
贝甲目
🗣️ 情景例句
Are you going to attend graduate school?
你想读研吗？
Knowledge will not be aquired without pain and application.
不花力气，不下功夫是得不到知识的。
I suggest that you did not catch the 8 o'clock train,
您乘的不是8点钟的火车，