Warwickite
硼酸铁矿
🗣️ 情景例句
who have made my stay in the United States so wonderful.
是你们使得我在美国的生活如此多采多姿。
He is attending a conference now.
他正在出席会议。
It's a pleasure to meet you. Can I take those boxes for you?
很高兴认识您。我能帮您拿那些箱子吗？