[计] 当符号
... while structure 当结构 while symbol 当符号 while-do-part 条件执行部分 ...
我正在学习国际音标，妈妈在辅导。
While it was true that the teacher test was a strong symbol of accountability to many people, the case for the test came out of the hearings the Standards Committee had held across the state.尽管对许多人来说，教师考试的确是对教师工作核定的一个显著标志，但提出它的理由却来自教育标准委员会在全州各地举行的听证会。
Although Gutenberg's press had existed for nearly a century, it was not yet in widespread use, and Lapi probably came across the symbol while reading a transcription.虽然古腾堡的印刷机已经存在了近一个世纪，但尚未广泛使用，而且拉皮在阅读抄本时，可能碰到过这一符号。
