Sigmic
a. ∑粒子的, 含∑粒子的
🗣️ 情景例句
You're a valuable asset, Malcolm.
你是很有价值的资产， Malcolm。
How many boxes are you going to use?
你要用几盒？
She wanted him to repair their grandson's bicycle!
她叫他去修理孙子的自行车。