Arbitrary sign - [计] 任意符号，怎么读怎么用

🧩 词语组成解析

arbitrary ['ɑrbətrɛri]

adj. 随意的，任性的，随心所欲的;主观的，武断的;霸道的，专制的，专横的，独断独行的;乱;

arbitr判断+ary...的→做出自己的判断→武断的

sign [saɪn]

n. 符号;手势;迹象;指示牌; vt.& vi. 签名;打手势;

sign(mark)→记号；征兆；签字；做手势；表示

I met her at Thanksgiving,

我在感恩节与她见面

Could you ask her to give Doug a call when she gets back? She has my number.

她回来后，你能不能告诉她给道格挂个电话？她有我的电话号码。

If they knew how difficult it was to drill through the hard rock, they would lose heart.

如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。

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