Microviscosimeter
微粘度计
🗣️ 情景例句
We were both on the tennis team.
我们都是网球队的队员。
You have a younger brother, don't you?
你有个弟弟，是吗？
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮，但这类东西早已腐烂殆尽。