His rent payment is overdue.他的房租过期未付.This debate is long overdue...这场辩论早该进行了。I'll go home and pay an overdue visit to my mother.我将回家看望母亲，其实我早该回去了。Teachers have joined a strike aimed at forcing the government to pay ...
杂原子数越多, 分子被氧化的程度越高.The larger the number of heteroatoms, the more highly oxidized the molecule.关键反应为底物控制的不对称杂原子共轭加成反应.The key step was a substrate controlled asymmetric heteroatom conjugated addition.杂原子烯反应是该反应的重要组成部分.Th...
牛肉现在卖到了每磅30多卢布。Beef now costs well over 30 roubles a pound.通货膨胀使得卢布变成了毫无价值的货币。Inflation has turned the rouble into a toytown currency.卢布的实际购买力骤然下降。The real purchasing power of the rouble has plummeted....