Elaterometer
[化] 气体密度计\\n[医] 气体密度计
🗣️ 情景例句
About 9:30.
大约九点半。
Love at first sight.
一见倾心。
in actuality waves move through the water leaving the water about where it was.
而实际上，浪从水中移过，而水则留在原处。