Leukotine
巴拉柯土(树皮)素
🗣️ 情景例句
Tom gave Helen an apple in exchange for a piece of cake.
汤姆用一个苹果和海沦换一块蛋糕。
Men may meet but mountains never.
人生何处不相逢。
Skating is interesting.
滑冰很有趣。