Laser spectroscopy
[化] 激光光谱学
🧩 词语组成解析
laser
['lezɚ]
n. 激光;激光器，镭射器;
n. 光谱学\\n[化] 光谱学
🗣️ 情景例句
to schedule one hour a week--to start with.
安排一星期一个小时。
How many provinces do you have?
你们有多少个区？
If fifty pence pieces are not exchanged for sweets, they rattle for months inside money boxes.
如果50便士不拿来换糖吃，则可以放在储蓄罐里叮当响上好几月。