Leach's tests
[医] 利奇氏试验(检甲醛)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
He has an old head on young shoulders.
他年轻又有见识。
Take care.
请保重。
Some of this heat near the earth's surfact is used to make electricity.
靠近地表的一部分热量已被用来发电。