Soniscope
脉冲式超声波探伤仪(测材料强度或裂缝深度用)
🗣️ 情景例句
May I speak to Miss Tan, please?
可以请谭小姐听电话吗？
So he is gradually getting used to thinking in English.
因此他正养成用英语思维的习惯。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。