tetrad
tetrad — 名詞
- tetradsingular
- tetradsplural
1. a set of four cells that form together when a parent cell divides.
四分體
細胞分裂產生的一組四個細胞
a set of four cells that form together when a parent cell divides.
Under the microscope, Tamar counted one tetrad that had formed from a single parent cell.
在顯微鏡下，Tamar 數出一個由單一母細胞形成的四分體。
countable noun: a tetrad, one tetrad
Each tetrad on the slide showed four small cells pressed close together.
玻片上的每個四分體都有四個緊貼在一起的小細胞。
collocation: tetrad on the slide / showed four small cells
Takeshi drew a tetrad in his notebook, with four circles touching in the middle.
Takeshi 在筆記本上畫了一個四分體，四個圓圈在中間相接。
After the cell divided twice, the biology class saw a tetrad on the screen.
細胞分裂兩次後，生物課的同學在螢幕上看到一個四分體。
Esme's teacher explained that a tetrad appears when one cell splits into four.
Esme 的老師解釋，當一個細胞分裂成四個時就會出現四分體。
- a tetrad of cells
- form a tetrad
用法筆記
Countable noun, so it takes a determiner: a tetrad, each tetrad.