Erectus
a. 直立的
??? 情景例句
He owes his wealth to diligence and good luck.
他的財富是由于他的勤勞和幸運。
I'll let you keep the book for the time being, but I'll want it back next week.
這本書我暫時借給你，吵過下星期我就要跟你要回來。
Poison to a snake is merely a luxury; it enables it to get its food with very little effort, no more effort than one bite.
毒液對毒蛇來說只不過是一種舒適生存的優越手段，它使蛇不用費多大力氣就能捕獲到食物，輕咬一口即可。