Metanometer
甲烷计
🗣️ 情景例句
We should revise our protectionist practices in trade, and promote free trade and competition.
我们应该修改我们的贸易保护主义做法，推广自由贸易和竞争。
We're looking for a house to rent for the summer.
我们正在寻找一幢夏天租的房子。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。