| 单词 | right atrium of the heart |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔coronary sinus〕A venous sinus that opens into the right atrium of the heart and serves to drain the coronary veins.冠状窦：开口于右心房的静脉管道，用于输冠状静脉的血入心脏美国传统〔vena cava〕Either of two large veins that drain blood from the upper body and from the lower body and empty into the right atrium of the heart.腔静脉：把血从身体的上部和下部抽光然后流入心脏的右心房的两支大静脉之一美国传统 |
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