Oerstedmeter
磁场强度计
🗣️ 情景例句
OK, Richard. That's terrific.
很好， Richard ，真不错。
Today we celebrate our day of independence.It's a national holiday.
今天我们庆祝我们的独立. 今天是国定假期。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。