Pacemaker of heart
[医] 窦房结
🏥 医学释义
心脏起搏器
🧩 词语组成解析
pacemaker
[['peisˌmeikə]]
n. 带步人, 标兵, 起搏器\\n[医] 起搏点, 起搏器
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
heart
[hɑrt]
n. 心，心脏;感情;要点;胸部;
vt. 鼓励;激励;
vi. 结心;
🗣️ 情景例句
Why don't you call back later this afternoon?
你何不今天下午再来电话呢？
Short acquaintance brings repentance.
浅交生后悔。
unless the parents themselves have been unsatisfactory,
除非父母自身不能令人满意，