the pith of her argument她论据的核心Using a sharp knife, cut away the pith and peel from both fruits.用一把锋利的刀削去两种水果的外皮和中果皮。Both the rubber and the pith ball are negatively charged.这时,橡胶棒和木髓球两者都带负电荷....
Prince Sadruddin lavished praise on Britain's contributions to world diplomacy.萨德鲁丁王子大力赞扬英国对世界外交作出的贡献。The contributions employees pay give cover against sickness, including chronic invalidity.员工的定期缴款用来支付生病的花费，包括长期病残...