We can build up the speed gradually and safely.我们可以逐渐稳妥地提高速度。Deposits of plaque build up between the tooth and the gum.牙齿和牙龈之间会滋生牙斑。Exercise in pregnancy can build up your strength and suppleness.孕期锻炼身体可以增强体力和柔韧性。...
I riffled through the pages until I reached the index.我快速翻至索引部分。Breeze riffled the flat blue calm of the sea.微风吹皱了平静的蓝色海面.He riffled through the cards and found the King.他迅速翻动纸牌找出其中的“王”牌....