🧩 词语组成解析
n. 路易斯（男子名）
[计] 小于或等于
🗣️ 情景例句
Biology and mathematics.
生物学和数学。
Thank you for inviting me to speak at the dinner.
谢谢你邀请我共进晚餐。
She kept it tied to a tree in a field during the day and went to fetch it every evening.
白天，玛丽把羔羊拴在地里的一颗树上，每天晚上把它牵回家。