Powder structure determination
[化] 粉晶法结构测定
🧩 词语组成解析
powder
['paʊdɚ]
n. 粉，粉末;粉状物质;
vt. 在…搽粉;
vi. 涂粉，变成粉末;
🗣️ 情景例句
Have you had dinner yet?
你吃晚饭了吗？
Do you have some stamps?
你有邮票吗？
No, thank you. Tom.I've already had lunch.
不，汤姆，谢谢。我已经吃过饭了。