C-span
abbr. 有線衛(wèi)星公眾事務(wù)網(wǎng)絡(luò)（Cable-Satellite Public Affairs Network）
?? 詞語組成解析
span
[sp?n]
n. 共軛（馬、騾）;跨度，墩距;一段時(shí)間;[航] 跨繩;
vt. 縛住或扎牢;跨越時(shí)間或空間;以掌測量;以手圍繞測量類似測量;
??? 情景例句
Play it safe.
做事要穩(wěn)妥。
Seeing is believing.
百聞不如一見。
Clusters of tin insects called aphids were to be found on the underside of the leaves.
結(jié)果在樹葉背面找到成串的叫作蚜蟲小蟲子。