Caledonite
铅蓝矾
🗣️ 情景例句
They come back here for lunch,
他们回到这儿来吃午餐，
These clothes are too long , they need to be taken up.
这些衣服太长了需要去改一下。
All this was comparatively slow until, with the coming of science, the tempo was suddenly raised.
所有这些发展都比较缓慢，而随着科学的到来，增长的速度才突然加快。