詞語：rock-ribbed
rock-ribbed的同義詞
a. die-hard ，rockbound
rock-ribbed的解釋
rock-ribbed['rɔkribd]adj. 頑固的；嚴重的
rock-ribbed的意思
rock-ribbed 頑固的;岩石成畦狀起伏的;bad fearful grievous grisliness high rock-ribbed serious severe 嚴重的;
rock-ribbed的參考例句
1.an inflexible (or die-hard) conservative; rock-ribbed republican. 頑固的保守派；固執的共和黨人。
2."the hills, /Rock-ribbed, and ancient as the sun" (William Cullen Bryant). 「山巖隱現的丘陵/如太陽一樣古老」（威廉？卡倫？布賴恩特）。
3.Agriculture is the mainstay of one country's economy. For our agriculture, the problems are very rock-ribbed. 農業是國民經濟的支柱，而我國農業存在十分嚴重的問題。