Heterocyst
[生]异形细胞
🗣️ 情景例句
What subject did you major in university?
你在大学主修的科目是什么？
Do you think the method of payment is OK for you?
你们认为结算方式合适吗？
She intended to dress up as a ghost and as she had made her costume the night before,
她打算装扮成鬼的模样。头天晚上她已把化装服做好，