- 推荐网络例句
-
Yellow-throated American wood warbler.
喉部为黄色的美洲林莺。
-
BACKGROUND: Mesenchymal stem cells are few in bone marrow, and need to be isolated, purified and proliferated in vitro.
背景:间充质干细胞在骨髓中的含量很低,需进行体外分离纯化和大量增殖。
-
The warm scent rises and gets distributed widely above the crowns of the trees, attracting pollinating insects from far and wide.
热的气味上升,在树冠以上广泛散播,吸引来自远方的传粉昆虫。