Tractus rubroreticularis
[医] 红核网状束
🧩 词语组成解析
[医] 束, 道
🗣️ 情景例句
I don't know.
我也说不上来。
I was born anAmerican; I live an American; I shall die an American.
我生下来是美国人，活着是美国人，死时也是美国人。
Ducks know how to swim when they are born.
鸭子天生会游泳