🧩 词语组成解析
radar
['redɑr]
n. 雷达;雷达装置;无线电探测器;
🗣️ 情景例句
The patient showed a marked improvement.
病人病情显著好转。
You had better wash those dirty clothes.
你该去把那些脏衣服洗一洗。
It repeated these circles over and over again.
它首先向右飞一个圆圈，然后向左飞一个圆圈。