Lead tetraoxide
[化] 四氧化三铅
🧩 词语组成解析
lead
[lid]
vt. 领导;引导;指挥;
vi. 领导;导致;用水砣测深;
n. 铅;领导;榜样;枪弹;
adj. 领头的;最重要的;领先的;
四氧化物
🗣️ 情景例句
Let things be.
顺其自然。
That important man is very unassuming in his manner.
那个要人彬彬有礼，是一位毫不摆架子的人。
He was obviously very nervous and for some minutes stood awkwardly before the microphone.
他显然非常紧张，局促不安地在麦克风前站了好几分钟。