Covalently closed circular dna
[化] 共价闭环DNA
🧩 词语组成解析
adv. covalence（共有原子价, 共价）的变形
closed
[klozd]
adj. 关闭着的，封闭着的;密闭着的，保密的;<美>准备好了的，定了契约的;
v. “close”的过去式和过去分词;
clos=close关闭+ed已...的→关闭了的
DNA
[,di:,en'ei]
abbr. did not attend 没有参加;does not answer 不回答;
🗣️ 情景例句
It's good for every day. It will be good for school, Michelle.
这套衣服每天都可以穿。它适合上学时穿， Michelle。
Look over to the southeast and you can see the con stellation of Orion.
眺望东南方向，你就可以看到猎户星座。
Then the bees left the hive and went to the feeding place.
然后那些蜜蜂离开蜂箱，飞到喂食点去。