✅ 同义词
🗣️ 情景例句
Why?
怎样？
I would have gone on the picnic if it hadn't rained.
如果没下雨，我就去野餐了。
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。