When the aggregates reached a certain size the inner cells became lignified.当这些聚体达到一定体积时,内部的细胞变成木质化.Hydroliquefaction of lignified biomass polysaccharide is studied at low temperature.研究了木化生物质聚糖的低温加氢液化.The cell wall has ...
Objective : To evaluate the imaging features of subperiosteal hematoma of the skulls.目的: 探讨颅骨骨膜下血肿的影像特征.Full belies make empty skulls.大腹便便，头脑空虚。Some of the skulls were cut off 5 to 6 months ago.有些头颅是在五、六个月前就被砍下了.Are thes...
In Alberta and Saskatchewan there are many hills where dinosaur bones were found.亚伯达和萨斯喀彻温省的许多山区发现了恐龙化石....a flightless dinosaur.没有飞行能力的恐龙The largest brain possessed by any dinosaur weighed about a kilogram.最大的恐龙脑子大约有一公斤...