lower-grade的用法和樣例：
例句
- I believe the theory that the higher graded animals evolute from the lower ones.
我相信比較高級的動物是由比較低級的動物進化而來的這一學說。 - Higher generation garbage collections include all lower generation collections.
較高級的垃圾回收包括所有較低級的垃圾回收。
詞匯搭配
- lower grade 輕度的
