Knoop
努普显微压痕硬度试验仪
🗣️ 情景例句
And we brought someone along who can help.
而且我们带来了能帮助我们的人。
He likes playing the drum.
他喜欢打鼓。
I have them on this piece of paper. Now let me call your names. OK?
我这张纸上有你们的名字。现在我来点名。好吗？