Micromolecule
小分子
🗣️ 情景例句
He devoted his life to promoting world peace.
他一生致力于促进世界和平。
A mother's love never changes.
母爱永恒。
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。