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
Where are you from?
你是从哪儿来的？
So they are content to let him go to America.
所以他们满意地让他去美国了。
But people who are cut off not only from foreign tourists, but even from their own countrymen can be hostile to travellers.
但是，那些不但与外国旅游者隔绝，而且与本国同胞隔绝的人们有可能对游客抱有敌意。