Radiostrontium
n. [化] 放射性锶
🗣️ 情景例句
I really appreciate you coming over to help me with my math.
我真的很感谢你过来帮我补习数学。
Many a flower is born to blush unseen.
有许多花儿生来就开著没有人欣赏。
I'm mending my bike.
我在修自行车。