Ulf
n. 超低频
🗣️ 情景例句
with the kinds of programs that fit everyone.
拥有适合任何人的各式活动。
Just pretend I didn't say anything.
就当我什么也没说过。
In his twenties Frank used to make spare parts for aeroplanes.
20多岁的时候，弗兰克曾生产飞机零配件。