Preparative gas chromatography
[化] 制备气相色谱法
🧩 词语组成解析
a. 准备性的, 预备性的\\nn. 预备, 准备, 预备信号
n. 气体;[矿业] 瓦斯;汽油;毒气;
vt. 加油;毒(死);
vi. 加油;放出气体;空谈;
int. 该死!(令人气愤的人应即被送毒气室处死);
🗣️ 情景例句
The doctor is afraid there is no hope for him.
医生担忧他已经无望了。
Because the weather was very hot, he carried the bed on to the roof of his house.
由于天气很热,他便把床搬到了他的屋顶上。
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