Medullary groove
[醫] 髓溝, 神經溝(胚)
?? 詞語組成解析
a. 骨髓的, 髓質的, 延髓的\\n[醫] 髓的, 髓狀的
groove
[ɡruv]
n. 溝，槽;[俚語]常規，老套：確定的規范;[俚語]理想狀況;[俚語]非常愉快的經歷;
vt. 刻溝，刻槽;
vi. 極其快樂，極其滿意，過得快活;受愉快的刺激影響;投合，契合;
??? 情景例句
It's two words.
兩個字。
Have you ever seen anyone so fond of dancing.
你見過有誰愛跳舞嗎？
They disregard social conventions without being conscious that they are doing anything extraordinary.
他們不顧社會習俗，意識不到自己所作所為有什么特殊之處。