Warbled
v. 用柔和的颤音唱；鸟鸣（warble的过去分词）
🗣️ 情景例句
Add a teaspoon of oil and one cup of milk.
加一茶匙油和一杯牛奶。
If Grade A is not available, Grade B will do.
如果一等品无货，二等品也可以。
There are many stars in the sky.
天上有很多星星。