The weather forecast is for showers and overcast skies.天气预报上说多云并伴有阵雨。The overcast and rainy weather found out his arthritis.阴雨天使他的关节炎发作了.The sky was overcast, the ligtning leaped from cloud to cloud.天空乌云密布, 电光在云块间闪动....
Listening to the scratchy recording, I recognized Walt Whitman immediately.听到沙哑的录音，我立刻知道那是沃尔特·惠特曼。Wool is so scratchy that it irritates the skin.毛料衣服太扎人，令皮肤很不舒服。a scratchy recording of Mario Lanza一盘有杂音的马里奥∙兰扎演唱录音带...
Turnover of cytoplasmic constituents involves both synthetic and lytic processes.细胞质组分的周转既包括合成也包括分解过程.The envelope is derived in most cases from the cytoplasmic membrane.大多数病毒的囊膜取自宿主细胞膜.Inactivation of cytoplasmic enzyme...
Across the busy plaza, vendors sell hot dogs and croissant sandwiches.在热闹广场的另一边，摊贩叫卖着热狗和羊角三明治。Vendors displayed their wares in baskets or on the ground.小贩们把他们的商品摆放在篮子里或地上。Vendors were doing a brisk trade in souvenirs.商贩们...