Biotest
生物监测
🗣️ 情景例句
Welcome to New York.
欢迎你来纽约。
One hour's sleep before midnight is worth three after.
午夜前睡一小时抵得上午夜后睡三小时。
People said gold could easily be picked up by washing sand from the river in a pan of water.
据说，在一盆水里淘洗可沙就很容易找到金子。