Lassaigne tests
[医] 拉赛涅氏试验(检有机氮)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
You were four or five years old, I think.
当时你才四、五岁 我想。
Let it be!
听天由命把！
The nomads who made these markings lived by hunting and fishing during the last Ice Age which began about 35,000 B.C.and ended about 10,000 B.C.
这些痕迹是游牧人留下的，他们生活在从公元前约35，000年到公元前10，000年的冰川期的末期，以狩猎、捕鱼为生。