Geminatlion
雙生牙
??? 情景例句
How much do stamps cost?
郵票多少錢？
We've only sold our product at trade fairs, not in an on-going sales campaign.
我們的產品只在商展時展售，而沒有辦促銷活動。
Oxygen is widely used in ship repairs for cutting and joining metal plates or pipes.
在船舶修理過程中，常常使用氧氣切割和焊接金屬板或金屬管。