Preliminary sketch
[化] 初步设计
🧩 词语组成解析
preliminary
[prɪ'lɪmɪnɛri]
adj. 初步的，初级的;预备的;开端的;序言的;
n. 准备工作;预赛;初步措施;（对学生等的）预考;
pre预先+limin门槛，限制+ary形容词后缀→入门以前→初步的
sketch
[skɛtʃ]
n. 草图;素描;梗概;
v. 草拟;速写;简述;
🗣️ 情景例句
Maybe we could make it a surprise.
也许我们可以让它变成一场惊喜。
He devoted himself completely to his work.
他完全投身于工作。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。