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 are the samples for your examination.
这里是样品,请查看。
Nothing venture, nothing have.
不入虎穴,焉得虎子。
that if we escape wars, accidents and diseases we shall eventually 'die of old age',
既使我们能避开战争、意外的事故和各种疾病,我们最终也会"老死;
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