Cor pendulum
[医] 摆动心
🧩 词语组成解析
[医] 心脏, 心
🗣️ 情景例句
I could pay you back out of my lifeguard salary.
我可以从我当救生员的薪水中拿出来还你。
Opportunity seldom knocks twice.
机不可失，失不再来。
The comparable speed from the Moon is only 1.5 miles per second.
而从月球出发的相应速度只是每秒1。5英里。