Symbols from
符号来源
🧩 词语组成解析
n. 符号；象征；标志；符号表（symbol的复数）
from
[frəm]
prep. （表示时间）从…;（表示原因）因为;（表示来源）来自…;（表示分离）与…分离[隔开];
🗣️ 情景例句
It's seventy-five cents for adults and thirty cents for children under twelve.
大人75美分，12岁以下的小孩30分。
The butter has an odor of cheese about it.
奶油的周围飘荡着干酪的味道。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。