Gpc
[化] 凝胶渗透色谱法
🗣️ 情景例句
She doesn't know we've changed hotels.
她不知道我们换了旅馆呀。
The goods were carefully packed and shipped here in excellent condition.
货物包装得很仔细，装船很小心，在这儿完好无损。
It was spring,but the weather was awful.It rained all the time.
是春天，但天气太糟了。一直在下雨。