Rhizine
[植]根部
??? 情景例句
She told Robbie that her flight tomorrow was canceled,
她告訴Robbie說 她明天的班機取消了
Does Karl hope to continue the relationship?
卡爾希望繼續保持那種關系嗎？
and we control it by means of the mud which we circulate down the drill pipe.
我們讓泥漿順著鉆桿向下循環，用這種方法來控制壓力。