🧩 词语组成解析
n. 紫草属植物(尤指药用紫草)
🗣️ 情景例句
She would be pretty if she wasn't so fat.
她要是不那么胖，还挺漂亮的呢。
Pay somebody back in his own coin.
一报还一报。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。