Osmate
[化]锇酸盐
🗣️ 情景例句
Hi, Susan.
嗨， Susan。
An old dog barks not in vain.
老犬不空吠。
They also found out that bees fly a maximum distance of 3.2 kilometres between their hive and a feeding place.
他们还发现蜜蜂从蜂箱到喂食点的最大飞行距离是3。2公里。