Undertaking of construction
[经] 建设企业
🧩 词语组成解析
undertaking
['ʌndɚ'tekɪŋ]
n. 企业;事业;殡仪事业;保证;
v. 担任( undertake的现在分词);着手作;
under下+tak进行+ing名词后缀→承诺；事业，企业，殡仪业
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Come on, Albert, you can help us!
走 ，Albert， 你来帮忙！
How long is the ticket valid?
这车票有效期多久？
After her husband had gone to work.
理查兹夫人等丈夫上班走后，