在书中鲜有出现的单词往往被词典所忽略，这其中就包括slenthum(一种印度尼西亚乐器)，还有令人讽刺的deletable(可以删除的，可以省略的，译者注)。

Words that rarely turn up in books often get omitted from dictionaries, including slenthum (an Indonesian musical instrument) and, ironically, deletable.

youdao

单词全记牢软件他们在辩论关于那件不朽乐器的文献。

They are reasoning concerning the document of the monumenting instrument.

youdao

能听懂、会说乐器和球类单词及其词组。

Make the dialogues using their own words. Group working.

youdao