Dertrotheca
颌角鞘
🗣️ 情景例句
They talk about things like family, work, school or sports.
他们常常谈论家庭，工作，学校或运动。
Step after step the ladder is ascended.
按部就班，循序渐进。
I'm tired. I'm going home now. Goodnight!
我累了。我要睡觉了。晚安！