Life-cycle
n. 生命周期
?? 詞語組成解析
life
[la?f]
n. 生活，生計;生命，性命;一生，壽命;人生，塵世;
cycle
['sa?kl]
n. 循環，周期;自行車;時代，一段時間;整套;
vi. 周而復始，循環;騎自行車;輪轉;
vt. 運轉，循環;使輪轉;
cycl =ring,circle,表示”圓,環”
??? 情景例句
You must be very tired after the journey.
旅行之后，您一定累了吧！
Reason is the guide and light of life.
理智是人生的響導和光輝。
The old farmhouse the family lived in was to be replaced by new $500,000 home.
這家人住的舊家舍將由一座價值50萬美元的新住宅所取代。