Adjustable ruler
[机] 自由曲线规
🧩 词语组成解析
ruler
['rulɚ]
n. 尺;直尺;统治者;
🗣️ 情景例句
We need a new coffee-table book,
我们需要一本可以摆在客厅的书，
He thanked them on your behalf.
他替你同他们致谢。
He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line.
他发现了缠绕在16，000伏高压线上的一条死蛇。