Penetron
n. 介子
🗣️ 情景例句
That's right.
是的。
The heart of the giver makes the gift dear and precious.
赠予者的心意可使馈赠的东西增加价值而显得珍贵。
The best time to come to China is in spring or autumn.
到中国来，最好的时间是在春天或者秋天。