Bicylindrical
有两个筒面的
🗣️ 情景例句
Because the United States is the most important trade partner.
因为美国是我们最重要的贸易伙伴。
The good seaman is known in bad weather.
坏天气才能认识良好的海员。
Is there any water in this kettle?
这水壶里有水吗？