🧩 词语组成解析
lettuce
['letis]
n. 莴苣，生菜;<俚>纸币;
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
He is truly happy who makes others happy.
真正幸福的是使人幸福的人。
You need a vacation.
你需要休假。