Nonexchange
(染色體)不交換
??? 情景例句
Thanks. Could you point me in the right direction?
謝謝。您能告訴我要往哪里走嗎？
I asked him to keep quiet, but he wouldn't.
我請他保持肅靜，但是他不肯。
What's it used for?
有什么用途？