🧩 词语组成解析
rocky
['rɔki]
adj. 多岩石的;坚如磐石的，坚硬的;麻木的;头晕目眩的;
national
['næʃnəl]
adj. 国家的;国有的;国民的;民族主义的;
n. [常用复数]全国性比赛;某国国民;全国性报刊;（机构等的）全国总部;
nat出生的+ion名词后缀+al...的 →出生地的 →国家的，民族的
park
[pɑrk]
n. 公园;停车场;
vi. 泊车，停车;
vt. 将…放置在某处;停车;
🗣️ 情景例句
What are your major and minor subjects?
你主修和副修什么科目？
The buyer has the right to cancel the contract unilaterally if the seller fails to ship the goods within the L/C validity.
如果卖方不能在信用证有效期内交货的话，买方有权单方面取消合同。
Imagine their surprise and delight when they broke open the packing cases and found that the fourth engine was sweet as honey -- still in perfect condition.
想一想他们所感受到的惊奇和兴奋 —— 当他们拆开包装箱时，他们发现第4台发动机就像蜂蜜一样甜 —— 发动机完好无损。