2. leaf blade emersed or submersed, broadly ovate, lanceolate, or broadly linear, sometimes completely reduced, stomata paracytic. 叶片出水或者沉水,宽卵形,披针形,或者宽线形,有时完全退化,气孔平列型。
3. leaf blade emersed or submersed, broadly ovate, lanceolate, or broadly linear, sometimes completely reduced, stomata paracytic. 叶片出水或者沉水,宽卵形,披针形,或者宽线形,有时完全退化,气孔平列型。
4. Broadly speaking, Social Security redistributes incomes from high-to-low income individuals from men to women, and from young to old. 笼统地讲,社会保障把收入从高收入者再分配给低收入者,从男性再分配给女性,从年轻人再分配给老年人。
5. Broadly speaking, America and Europe have kept step. 概括地说,美国和欧洲是步调一致的。