Nonbrowning
不暗化(的)(指玻璃不受辐照变暗的)
🗣️ 情景例句
We'll open a letter of credit if you promise to effect shipment one month earlier.
如果你方答应提前一个月交货，我们就同意开信用证。
If he doesn't, will you eat some?
如果他不，你会吃一些吗？
No one noticed the boy as he crept off.
当男孩从船里爬出来时，谁也没有发现他。