Threshold of luminescence
[电] 发光限
🧩 词语组成解析
threshold
['θrɛʃhold]
n. 门槛，入口，开始;[物理学]临界值;<英>级限协定;[航空学]跑道入口;
adj. 阈值的，临界值的;<英>按物价指数变动工资的，工资极限的，级限的;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
luminescence
[ˌlu:mi'nesns]
n. 冷光，发冷光;
🗣️ 情景例句
I'll take it. But the price is a bit high. How about free wrapping?
我买了。但价格有点高，免费包装怎么样？
Please don't forget to say goodbye to the rest of the family for me.
请别忘了代我向你的家人告别。
The only other people who knew the secret were Joe and Bob.
除此之外，只有乔与鲍知道这个秘密。