Coexponent
余指数
🗣️ 情景例句
You don't need to do that.
你不用那么做的。
With pleasure.
很荣幸。
He explained that he had tried to fix the air-line to the supply line that ran round the port but could not because the fittings did not match.
他解释说他想供气管安装到铺设在码头周围的供应管上，但因为接头不相配而接不上。