Ethidium
[化]溴乙非啶,溴化二氨乙苯啡啶
🗣️ 情景例句
and use their talents.
贡献他们的才能。
How are you?
你好吗？
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，