Planet x
未知行星；冥外行星
🧩 词语组成解析
🗣️ 情景例句
Well, children usually resemble their parents.
嗯， 孩子总是像父母的。
One foot is better than two crutches.
一只脚胜过两根拐杖。
Look! That girl has fallen off her bicycle.
看！那个女孩从自行车上摔下来了。