Helis
abbr. hot electron layer ion source 热电子层离子源
🗣️ 情景例句
I had the appointment written on my calendar and was looking forward to the occasion.
我早已把这个约会写在我的日历上而且一直期待着这一时刻。
How many cans are you going to take?
你要拿几罐？
Here you are.
给您。