Amazingly, these mitochondria were once free - living bacteria that were captured by an early single - celled eukaryote. 令人惊奇的是, 这些线粒体曾是被早期 单细胞 真核生物俘获的自生细菌.
The soil washed from the hills is silting up the hydroelectric dams.从山上冲刷下来的泥土就要让水电大坝淤塞了。Mud is silting up the stream.泥沙把小河淤塞了.The harbour is slowly silting up.港口正在慢慢地被淤泥堵塞....
在和朋友争吵的时候，她掏出了刀。She produced the knife during arguments with her friends.刀扎在了他脚边的地上。The knife stuck in the ground at his feet.他的外科手术器械是一把刀和一把钳子。His surgical instruments were a knife and a pair of pincers....
粘液囊发炎;通常发生在肩膀.Inflammation of a bursa, especially in the shoulder joint.目的探讨阑尾粘液囊腺癌的临床病理特征性情况.Objective To study clinical and pathological characters of appendicular mucinous cystadenocarcinoma....