Precordial
a. 心前区的\\n[医] 心口的, 心窝的, 心前区的
🗣️ 情景例句
If you have time around Christmas, please come to visit my family.
如果你圣诞节前后有空，欢迎到我家来玩。
When did you join the oranizetion?
你什么时候加入这个团体的？
For one thing they keep the water clean.
一来，水下植物可以保持水的清洁。