Phthoric acid
[化] 氢氟酸
🧩 词语组成解析
🗣️ 情景例句
At six o'clock this evening.
今晚六点。
How long will it take for a package to get to California?
你把包裹寄到加州要多长时间?
to study his image in the sight of those who do not know him,
企图用不了解自己的人的观点来研究自己塑造的形象的作法，