例句與造句

1. In solution culture , evident chlorosis symptoms were observed in the leaves of p . trifoliata after 4 weeks of iron deficiency treatment , while no chlorosis symptoms were observed in the leaves of " iron efficient " c . junos under the same culture conditions . the content of leaf chlorophyll and active iron in c . junos was much higher than that of p . trifoliata . however , iron content of chlorotic leaves of p . trifoliata was found to be even higher than that of the green leaves of p . trifoliata and c . junos
   枳在缺鐵營養(yǎng)液中培養(yǎng)4周即可出現(xiàn)明顯缺鐵癥狀，而生長在同樣時(shí)間內(nèi)和同樣缺鐵培養(yǎng)液中的香橙觀察不到任何缺鐵癥狀，香橙的葉片葉綠素和活性鐵含量均極顯著高于枳；但枳的黃化葉片的總鐵含量高于香橙和枳的綠色葉片。
2. It's difficult to find active iron in a sentence. 用active iron造句挺難的