Elaterometer
[化] 氣體密度計(jì)\\n[醫(yī)] 氣體密度計(jì)
??? 情景例句
You really must try and take more care.
你一定要更當(dāng)心一點(diǎn)。
This is a receipt.
這是一張收據(jù)。
Fine, thanks, Dad. What about you?
很好，謝謝爸爸。你呢？