Interfolding
交插褶皱
🗣️ 情景例句
Let's do lunch sometime.
什么时候我们一起吃午饭吧。
Mountain-climbing is difficult.
登山是困难的事。
He said that someone might be spying on the station and the pilot was ordered to keep track of the strange object.
他说可能有人正对基地进行侦察，因此命令那个飞行员跟踪那个奇怪的飞行物。