Premixer
[化] 预混合器
🗣️ 情景例句
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
Sow the wind and reap the whirlwind.
恶有恶报。
Two of his assistants had been working busily since eight o'clock and had only just finished.
他手下两名店员从早上8点就开始忙碌，这时刚刚布置完毕。