Esiatron
静电聚集行波管
🗣️ 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。
The product gives you an edge over your competitors,I guess.
我认为你们的产品可以使你们胜过竞争对手。
As the man tried to swing the speedboat round, the steering wheel came away in his hands.
当那人试图让快艇转弯时，方向盘脱手了。