Quartz crystal
[计] 石英晶体
🧩 词语组成解析
quartz
[kwɔrts]
n. [矿]石英;
🗣️ 情景例句
Coming! Coming!
来了， 来了。
Don't forget to put stamps on the letter.
不要忘记在信封上贴邮票。
Mary has written ten letters today.
马力今天写了十封信。