Cerametallics
燒結金屬學
??? 情景例句
What's the deadline for claim?
索賠的有效期多長？
What are you doing?
你正在做什么？
Kunta knew it was the middle of the night, for through the small open window high in the wall he could see stars.
孔塔知道已經是半夜了，因為通過墻的上方開著的小窗，他能看到星星。