Tricalcium
三钙
🗣️ 情景例句
Who is that?
那是谁呀？
Where the sun enterd, the doctor does not.
阳光照耀处，医生就不需。
Though the new rudder was fitted at tremendous speed, it was impossible for the Cutty Sark to win.
尽管换装新舵时分秒必争，但“卡蒂萨克”号已经不可能取胜了，