, this paper reviews the present research about the treatment techniques for calcified root canal.

　　本文對鈣化根管治療技術(shù)的研究現(xiàn)狀進行了綜述。

　　ow long does it take to qualify?

　　需要多長時間才能取得資格？

　　The project was only a qualified success.

　　這個項目只取得了一般的效益。

　　Spinach is a leafy vegetable.

　　菠菜是闊葉蔬菜。

　　This conservatory enjoys an enviable position overlooking a leafy expanse.

　　這個溫室位置絕佳，放眼望去，草木繁茂，郁郁蔥蔥。