Superadditivity
超加和性; 超加性
🗣️ 情景例句
He never drinks except on special occasions.
除非在特别场合，他从不喝酒。
Please be aware that this is a crucial issue to us.
请了解这一点对我们至关重要。
for it is then almost ready to undertake heavy work and can begin to earn its keep straight away.
这个年龄的象差不多已能干重活，可以很快挣回饲养它的开支。