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
Are you a resident of Shanghai?
你是上海市居民吗？
Waste of time is the most extravagant and costly of all expenses.
浪费时间是一切花费中最奢侈豪华的费用。
Oh, I have to wash all my clothes, clean the floor, and keep everything clean and tidy.
噢，我得洗我的全部衣服，擦地板和保持每样东西清洁、整齐。