The cental idea of cell phones is that you should be connected to almost everyone and everything atall times.
使用手机的要义是在任何时候你都应当与几乎每一个人和每一件事保持联系。
TED-Ed（视频版）
These natural hormones, which control pain and pleasure responses in the cental nervous system, can lead to feelings of euphoria, or, what's often called, a runner's high.
这些天然荷尔蒙控制中枢神经系统的疼痛和愉悦反应，可导致欣快感，或者通常所说的跑步者的快感。
英语百科
Hundredweight
The hundredweight (abbreviation: cwt), formerly also known as the centum weight or quintal, is an English, imperial, and US customary unit of weight or mass of various values. Its present value continues to differ between the American and imperial systems. The two values are distinguished in American English as the "short" and "long" hundredweight and in British English as the "cental" and the "hundredweight".
近义、反义、联想词
近义词
n.
avoirdupois unit
联想词
central中心的;
英英词典
cental n.
a United States unit of weight equivalent to 100 pounds
synonymous： hundredweight, cwt, short hundredweight, centner, quintal