Usec
abbr. microsecond 微秒（科技符号）; United States East Coast 美国东海岸; United States Enrichment Corporation 美国浓缩铀公司
🗣️ 情景例句
It only takes eight minutes by bicycle to the aerobics class.
骑自行车去上有氧运动课只需要八分钟。
Sweep before your own door.
先律己，后律人。
Perhaps I' ll go to that one.
我也许会去听听那个报告。