Separandum
剧药
🗣️ 情景例句
that we can talk about us.
我们就可以谈谈我们。
Mother's apple pie always tastes delicious.
妈妈做的苹果派很好吃的！
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。