Qw
abbr. 量子阱（quantum well）
🗣️ 情景例句
There's coffee ready.
咖啡准备好了。
Please show us the shipping costs for several possible carries.
请告诉我们几种可能的运输方式的价格。
When they were very young, Mr. Green sometimes dressed up in a red coat. But he doesn't do that now.
在他们很小时，有时候格林先生穿上一件红色的外套。但他现在不那么做了。