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
Yes, both. Last trip I fished a little and hiked three miles.
是的，两者都做。上次出去时，我钓了一会儿鱼，又步行了三英里。
Have you had breakfast already?
你已经吃了早餐吗？
It seemed certain that she would be the first ship home, but during the race she had a lot of bad luck.
看来，它首先返抵英国是确信无疑的了，但它却在比赛中连遭厄运。