Madel
针状突起
🗣️ 情景例句
But you may rest assured that the payment is guaranteed.
但是你尽可以放心，我们的付款是有保障的。
The more a man knows, the more he see his ignorance.
大智若愚。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。