R-t segment
[医] R(S)-T节段(心电图)
🧩 词语组成解析
🗣️ 情景例句
Don't count your chickens before they hatch.
小鸡孵出之后再算数。
My father goes back to work in the evening.
我父亲傍晚回去工作了。
That is why we are learning English in China.
这就是我们在中国学习英语的原因。