🧩 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
🗣️ 情景例句
Our tow truck's being repaired.
我们的拖车正在修理呢。
I can't imagine why.
我想不通为什么。
It's about 400 yards from here.
离这儿大约有400码。