Subunit
[计] 子单元, 子单位\\n[化] 亚基
🗣️ 情景例句
and they found it to be too easy--
他们发现字太简单了，
Mountain-climbing is difficult.
登山是困难的事。
You see, we've been in China for over two years now, so we are travelling back to England soon for a holiday.
您知道，我们到中国已有两年多时间了，所以不久后我们就要回英国度假了。