让"老"有所安
31 Words
改善
gǎishàn
to improve; improvement
寿命
shòumìng
lifespan, life
延长
yáncháng
to prolong
迈入
màirù
to stride
推算
tuīsuàn
to calculate, to estimate
...And 26 more words in this list in app
Start learning
Start learning vocabulary from this textbook or many more word lists in our app. You can also print worksheets for easy offline practice.