🧩 词语组成解析
regular
['rɛgjəlɚ]
adj. 有规律的;规则，整齐的;不变的;合格的;
n. 正规军;主力（或正式）队员;常客;
adv. 定期地;经常地;
reg国王+ular...的 → 国王统治的 → 规则的
convex
['kɔn'veks]
adj. 凸的，凸面的;凸状;凸形;
n. 多面体
🗣️ 情景例句
The old couple has already been married for fifty years.
那对老夫妻结婚已经 50 年了。
Let me have your money!
交上买路财！
Luckily the weather was not so wet as it is today.
幸运的是，那天的天气不像今天这样有雨。