| 单词 | 开口于 |
| 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〔sebaceous gland〕Any of various glands in the dermis of the skin that open into a hair follicle and produce and secrete sebum.皮脂腺：开口于皮囊，产生和分泌皮脂的真皮的几种腺美国传统 |
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