🧩 词语组成解析
rasp
[rɑ:sp]
vt.& vi. 以粗锉打磨，粗刮;发出摩擦的刺耳声;伤（人感情），使焦急;用急躁刺耳的声音说;
n. 粗锉，木锉;[机]锉机，锉磨而发出的刺耳声音;（心里的）焦急，烦躁;
fern
[fə:n]
n. <植>羊齿植物，蕨类植物;
🗣️ 情景例句
A table spoon is much bigger than a teaspoon.
汤匙要比茶匙大得多。
We have every reason to cancel the contract because you've failed to fulfil your part of it.
我们完全有理由取消合同，因为你们没有完成应遵守的合同内容，履行合同。
At that time he had two helpers.
那时他有两个帮手。