Vacuseal
真空密封
🗣️ 情景例句
--and speaking of Max--I hear the car.
谈到小孩，我听见汽车声了。
Without practice, hopes will be reduced to zero.
没有实践，希望会化为乌有。
employing full-time technicians and run on specially-written software.
雇用专职的技师，而且得用专门编写的软件才能运行。