Calcon
[化] 钙试剂; 茜素蓝黑
🗣️ 情景例句
you are about to become Susan Bennett--
即将成为Susan Bennett
How did you break your leg?
你怎么弄断了腿？
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。