1
a bassist in [band/group]
bassist 是可数名词，指演奏低音提琴的乐手。
She is a bassist in the city orchestra.
她是市交响乐团的低音提琴手。
低音提琴手
先理解核心含义，再看它在真实句子里的用法。
低音提琴手
a musician who plays the bass viol
She is a bassist in the city orchestra.
她是市交响乐团的低音提琴手。
低音乐器演奏者,尤指低音吉他手。
A musician who plays a bass instrument, especially the bass guitar.
The bassist tuned her double bass before the concert.
音乐会开始前，那位低音提琴手调好了她的低音提琴。
Our band is looking for a new bassist who plays both jazz and classical music.
我们乐队在找一位既能演奏爵士乐又能演奏古典音乐的新低音提琴手。
The bassists in the orchestra sat at the back.
管弦乐队里的低音提琴手们坐在后面。
bassist 是可数名词，指演奏低音提琴的乐手。
She is a bassist in the city orchestra.
她是市交响乐团的低音提琴手。
He became the bassist for the jazz ensemble.
他成了爵士乐团的低音提琴手。
She toured for years as a bassist.
她作为低音提琴手巡回演出多年。
Not this
There are three bassist in the school orchestra.
Use this
There are three bassists in the school orchestra.
bassist 是可数名词，复数形式为 bassists。汉语名词没有复数变化，英语中 three 后要用复数，因此必须加 -s。
Not this
She plays bassist in a jazz band.
Use this
She plays bass in a jazz band.
bassist 指‘贝斯手’，是演奏者；乐器本身是 bass。表达‘演奏某种乐器’要用 play + 乐器名，所以应说 plays bass，不能说 plays bassist。
Not this
She is bassist in the band.
Use this
She is a bassist in the band.
bassist 是单数可数名词，不能单独作表语，前面需要不定冠词 a，表示‘一位贝斯手’。因此 She is a bassist 才是正确形式。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
爵士乐低音提琴手
The jazz bassist played a beautiful solo.
这位爵士乐低音提琴手演奏了一首优美的独奏。
首席低音提琴手
He was appointed principal bassist of the orchestra.
他被任命为乐团的首席低音提琴手。
低音提琴手
The double bassist stood at the back of the stage.
那位低音提琴手站在舞台后面。
乐队中的低音提琴手
She works as a bassist in a local band.
她在一个本地乐队里当低音提琴手。
Use bassist naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
bass（低音）+ ist（表人），联想：弹低音提琴的人就是 bassist。
语域：neutral 常见场景：乐队、音乐演出 bassist 是比较中性的常用说法，通常指演奏低音提琴的乐手，多用于乐队或演出等音乐场景。
与 bassist /ˈbeɪsɪst/ 真正押韵的是 racist /ˈreɪsɪst/ 和 basest /ˈbeɪsɪst/（重读元音 /eɪ/ 及之后的 /sɪst/ 相同）。注意 assist、persist、resist、consist 虽以 -sist 结尾，但重音在第二音节、元音为 /ɪ/，与 bassist 读音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.