She was training her vines to grow upwards.

她正在修剪葡萄藤，以使它们向上生长。

Parents toss a lost bottom tooth up to the rooftops, so that the new tooth will grow upwards, too.

父母将孩子下牙床的掉牙扔上屋顶，这样新牙才会向上长。

When plants shoot on the earth, their stems grow away from the gravity (the force that keeps your feet on the ground), and so they always shoot upwards.

当植物在地面上生长时，它们的茎生长得方向与重力相反（重力是让你的脚留在地面上的力量），因此它们总是向上生长。

I could only look upwards; the sun began to grow hot, and the light offended my eyes.

我只能向上看，太阳开始变热了，光线刺通了我的眼睛。