Esmolol
[医]艾司洛尔，4-苯丙酸甲酯的盐酸盐
🗣️ 情景例句
Could I?
我可以用吗？
Where might is master, justice is servant.
有强权，就没有正义。
But the station master was adamant: rules could not be broken and she had to watch that train disappear towards her destination while she was left behind.
但站长态度坚决，规章制度不能破坏，姑娘只得眼看那趟火车消逝在她要去的方向而撇下了她。