这些灌木需要更多的光照才能抽出开花的新枝.These shrubs will need more light to produce flowering shoots.他在花园里种了几丛开花的灌木.He planted a number of flowering shrubs in the garden.那个美丽的花园四周围有开花的树木.The beautiful garden was edged with flowering trees...
The alkylation of isoparaffin with olefin is an important process of petroleum processing.异构烷烃与低分子烯烃的烷基化反应是石油加工的重要过程之一.Recent advances in ring closing metathesis ( RCM ) reaction, including olefin and enyne metathesis re...