Cdna
[化] 互补DNA
🗣️ 情景例句
You can sing a lot more clearly than I can.
你能比我唱得更清晰。
I get into bed at about 11:30 and go right off to sleep.
我大约在11:30上床并且睡觉。
Yesterday the firemen examined the ground carefully, but were not able to find any broken glass.
昨天，消防队员仔细查看了地面，但未能发现碎玻璃。