Pyroxenolite
辉石岩
🗣️ 情景例句
He's like a little doll.
他像个小洋娃娃。
Excuse me I can't do it now.
对不起我不能现在做。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。