Instron
拉伸强度试验机
🗣️ 情景例句
Don't be too sure.
别那么肯定。
You can't make something out of nothing.
巧妇难为无米之炊。
It has never been explained why university students seem to enjoy practical jokes more than else.
谁也弄不清为什么大学生好像比任何人都更喜欢恶作剧。