Pregniotin
胎盘抗原
🗣️ 情景例句
Do you think they're open?
你们说现在还开门吗？
Can I stop over on the way?
我在中途可以停吗？
It was beginning to get dark. I think we'd best stay the night here, I said.
天开始变黑。“我看我们最好在这里过夜，”我说，