Coelogastrula
有腔原肠坯
🗣️ 情景例句
My parents are expecting to see good grades this semester.
我父母希望我这个学期取得好成绩。
We'll have fine weather for the next few days?
以后几天天气晴朗。
I suggest that you did not catch the 8 o'clock train,
您乘的不是8点钟的火车，