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[商]一种聚丙烯酰胺型絮凝剂

🗣️ 情景例句

He was ill at ease with people whom he didn't understand.
他和不熟悉的人在一起感到不自在。
I was 10 minutes late.
我迟到了五分钟。
Chen Fang.
陈芳？
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🔤 更多 B 开头的单词

Bacillus cereus
bamboos
be geared up
Belgae
binary cyclic code
black locust
Bonnet's sign
brachioradial ligament
全部 B 开头单词 ›