Characterized by
以…为特征；
🧩 词语组成解析
a. [医]具有特征的\\nv. 是…的特征( characterize的过去式和过去分词 ); 以…为特征; 描述（人或物）的特性; 使…具有特点（或最引人注目的特征）
by
[baɪ]
prep. 在…旁边;表示方式;由于;经过;
adv. 经过;表示保留或保存时用;短暂拜访;
🗣️ 情景例句
I'll take it. But the price is a bit high. How about free wrapping?
我买了。但价格有点高，免费包装怎么样？
The plane has crashed.
飞机失事了。
Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well.
冬季即将来临，这些山丘对周围的村庄具有毁灭性的威胁，因为大雨不仅会冲走土壤，而且还会引起严重的水灾。