1、Many insects are banded black and yellow. 很多昆虫有黑色和黄色的条纹。2、The male's yellow beak differentiates it

相关介绍

1、Many insects are banded black and yellow.

很多昆虫有黑色和黄色的条纹。

2、The male's yellow beak differentiates it from the female.

雄鸟黄色的喙是与雌鸟相区别的主要特征。

3、A series of yellow arrows pointed the way to reception.

连续的黄色箭头标出往接待站的路。