Elaterometer
[化] 气体密度计\\n[医] 气体密度计
🗣️ 情景例句
Grandpa, Ellen, Philip, Robbie, you and me.
爷爷 Ellen Philip Robbie 你和我。
Weak men wait for opportunity, but the strong men make it.
若者等待机会，强者创造机会。
Suddenly, one of the children kicked a ball very hard and it went towards a passing boat.
突然，一个孩子狠狠地踢了一脚球，球便向着一只划过来的小船飞去。