Pygriometer
[医] 比重计
🗣️ 情景例句
If negotiaton fails, then what?
万一谈判破裂，怎么办？
Did you hear something?
你听到了什么？
When a marked bee returned to the hive from the feeding table, Von Frisch watched through the glass.
当一只有记号的蜜蜂从喂食桌回到蜂箱时。