Fractory
中铝粘土质耐火材料
🗣️ 情景例句
For payment we would prefer and L/C.
我们更愿意使用信用证的方式付款。
It's very annoying.
真烦人。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。