Tooth powder
n. 牙粉
🧩 词语组成解析
tooth
[tu:θ]
n. 牙;齿;齿状部份;
vt. 给…装齿;
vi. 啮合;
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
Where are you working now?
你现在在哪里工作？
It is easier to descend than to ascend.
下降容易上升难。
I don't know his number. Did you write it down?
我不知道他的电话号码。你记下来了吗？