Microcoulometry
微电量分析法
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
Tom's been feeling blue ever since his divorce.
自离婚以来，汤姆一直很忧郁。
The contents were disappointing.
箱内东西令人失望。