Celcon
聚甲撑氧
🗣️ 情景例句
and if he talks as loudly as he cries,
如果他说话像他哭一样大声，
Losses make us more cautious.
损失使人更谨慎。
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。