Medulla ossium rubrum
[医] 红骨髓
🧩 词语组成解析
medulla
[mi'dʌlə]
n. （拉丁语）骨髓;
[医] 红核, 红[色]
🗣️ 情景例句
She makes a good living as an author.
她靠当作家过着优裕的生活。
May I use your telephone?
我能用你的电话吗？
and by the time he is grown and able to take part in its activities,
等他长大了，能做各种事了