他排行居中的那个儿子5年前意外溺水身亡。His middle son died in a drowning accident five years back.小标题一律居中.Subheads should be placed in the middle of the column.他在考虑怎样在新居中布置家具.He is considering the disposition of furniture in his new house....
上面已讨论了核的各种特殊结构区域, 但未提及核浆.Having discussed the various special structural regions of the nucleus, there remains the nucleoplasm.其中浆血胞可分为大核浆血胞和小核浆血胞两种.Also the plasmutocyte is divided into trophic nucleus hematocyte and mi...