Unknowns
n. 未知事件（unknown的复数）
🗣️ 情景例句
There aren't window seats left, but a few enter seats are open.
那些靠窗的位子已没有了，但里面的位子还有。
Please send us your price list of quartz clocks.
请寄给我们贵方的石英钟价目单。
Go down this street until you reach the second traffic lights. Turn right.
顺这条街往前走，直到第2个红绿灯处。往右拐。