Nivemycin
新霉素
🗣️ 情景例句
You must be mistaken.
你一定搞错了。
Karl was so upset that he began to turn red with anger.
卡尔非常惊讶，红着脸开始生气了。
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。