Adjustable blade propellerpump
[化] 调节叶片螺桨泵
🧩 词语组成解析
blade
[bled]
n. 刀片，剑;（壳、草等的）叶片;桨叶;浮华少年;
🗣️ 情景例句
We will also need a letter of recommendation.
我们还要求一封推荐函。
Who is going to wait?
谁在等？
You see, the school will be expensive to run and we shall need a lot of good teachers.
你知道，办这所学校要花很多的钱，我们需要很多好教师。