Preparative scale chromatography
[化] 制备型色谱法
🧩 词语组成解析
a. 准备性的, 预备性的\\nn. 预备, 准备, 预备信号
scale
[skel]
n. 规模;比例（尺）;鱼鳞;级别;
vt. 测量;攀登;刮去…的鳞片;
vi. 衡量;攀登;（鳞屑）脱落;生水垢;
scale(climb)→登；爬越；音阶；比例尺；规模；尺；尺上的刻度
n. 色谱法\\n[化] 色谱法; 层析法
🗣️ 情景例句
Always remember to wash your hands before eating.
用餐前谨记要洗手。
To strive, to seek, to find, and not to yield.
要奋斗，要探索，要有所发现，而不要屈服。
and he estimated that there were more than 2,250,000 in one acre;
他估计每英亩草坪里有225万多只蜘蛛。