Catalyst unit
[建] 催化单元
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
But when Robbie was born,
但当Robbie出生后，
My thesis is due the same week as midterms.
毕业论文截止的日期，和期中考试那一周重复。
but ever since he moved in, he has had trouble with cars and their owners.
但自从搬进去后，就和汽车及车主们发生了磨擦。