Drag reduction agent
[化] 减阻剂
🧩 词语组成解析
drag
[dræg]
vt. 拖拽;吃力地往前拉;拖地而行;
vi. 沿地面拖动;落后;缓慢前进;打捞;
n. 拖，拉;累赘;阻力;
🗣️ 情景例句
How long have you known her?
你认识她多久了？
The designer is going to create a new type of dress.
服装设计师正在设计新款女装。
He had been there for nearly ten hours.
他已经在烟囱里被困了将近10个小时。