Ultraoscilloscope
超短波示波器
🗣️ 情景例句
Like setting up a regular weekly reading program.
譬如说开办一项每周一次的定期阅读计划。
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
She teaches foreign students Chinese.
她教外国学生汉语。