Monogenism
n. 人类同源说
🗣️ 情景例句
What are you trying to say?
你想说什么？
I didn't mean to.
我不是故意的。
Early next morning, she heard planes passing overhead and wondered how she could send a signal.
第二天一大早，她听到头顶上有飞机飞过，但不知道怎样才能发个信号。