Zooglea
[医] 菌胶团
🗣️ 情景例句
The course I took was above me.
我上的这门课太难了。
To hover
盘旋
The little baskets were empty and the ground was covered with pieces of paper, cigarette ends, old tyres, empty bottles and rusty tins.
废物筐是空的，而满地都是纸片、烟头、旧轮胎，空瓶子和生锈的空罐头盒。