Colllodion
[医] 火棉胶
🗣️ 情景例句
The price has been consistently maintained.
价格始终保持稳定。
I want to make an overseas call to the United States?
我想打个电话到美国去。
Tie a heavy weight at the end of a long piece of string.
把一个重物拴在一根长绳子的一端，