Hardnester
锉式硬度试验器
🗣️ 情景例句
I like to study in the library because it's so quiet.
我喜欢在图书馆学习因为那儿很安静。
I owe it all to you.
全是托您的福。
giant hovercraft liners could span the Atlantic;
大型的气垫班轮或许能跨越大西洋。