Alternans systole
[医] 交替收缩, 半[减]收缩(心室)
🧩 词语组成解析
[医] 交替的, 交替脉
n. 心脏收缩\\n[医] 收缩[期](心)
🗣️ 情景例句
Oh, Somebody's at the door. I have to go.
哦，有人来了，我得去开门。
Now that I've seen how he lives, I know why he needs so much money.
看过了他的生活状态，我现在才知道他为什么需要那么多钱。
Hello, Jim.
你好，吉姆！