Ddst
[医][=Denver Development Screening Test]丹佛发育筛选测验：鉴定儿童发育迟缓的测验
🗣️ 情景例句
I had the appointment written on my calendar and was looking forward to the occasion.
我早已把这个约会写在我的日历上而且一直期待着这一时刻。
That's a bad idea if I've ever heard one!
你出这什么馊主意！
We came here about two years ago.
我们大约两处前来到这儿。