1·Trefoil and clover cover the long lawn, daisies too.
长草坪上长满了三叶草和苜蓿，也有很多雏菊。
2·Meanwhile, astigmatism aberration, coma aberration and trefoil aberration are three main effects that influence the quality of the optics.
对光学成像产生影响的主要成分是散光像差、彗差和三叶草像差。
3·The classic adidas three stripes and adidas trefoil have become iconic and world renowned.
这三个经典的条纹和阿迪达斯三叶草和阿迪达斯已经成为世界知名的标志性。
4·Why is bird's foot trefoil so called?
“鸟足三叶草”因何而得名？