Sonicator
近距离声波定位器
🗣️ 情景例句
Why don't you join us?
你何不参加入我们呢？
Which one is more delicious.
哪一个是比较好吃的？
Collecting, by occupying spare time so constructively, makes a person contented, with no time for boredom.
收藏活动通过富有建设性地利用业余时间使人感到心满意足，不再有无聊之日。