Sem
abbr. 标准电子组件(Standard Electronic Modules);扫瞄式电子显微镜(scanning electron microscope)
🗣️ 情景例句
Here's $ 100 for my ticket.
这是我的100美元。
Please do now hesitate to as any questions.
如有问题您可随时提出来。
Now the other stuents open their eyes, and guess who has the eraser.
现在其余的学生张开眼,然后猜谁手里有橡皮擦。
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