Coplin
[医] 玻片染色缸
🗣️ 情景例句
We've been looking forward to seeing you again.
我们非常盼望再见到你。
Before gold,even kings take off their hats.
在黄金面前，国王也要脱帽。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。