她在年仅10岁时首次登台演出。
She first appeared on stage ___at ___the ___tender ___age ___of 10.
他在年仅16岁时就离开家乡去追逐梦想。
He left home ___at ___the ___tender ___age ___of 16 to pursue his dreams.
莫扎特在年仅六岁时就已经开始创作音乐。
Mozart was already composing music ___at ___the ___tender ___age ___of six.