Chitin synthase is the important enzyme that converts UDP - GlcNAc to chitin.摘要几丁质合成酶是生物合成几丁质的关键物质....recent converts to vegetarianism.最近开始热衷于素食主义的人Converts to beta - carotene, which is needed to maintain eye health.能转化成...
这五句是一气贯注下来的.These five sentences run together as a coherent whole.他正全视贯注地为一首诗歌谱曲.He is concentrating on setting a poem to music.几个星期以来,他把全部精力都贯注在这件伟大的工作上.For weeks he had given all his thoughts to his great work....