Gemm
abbr. generalized electronic maintenance model 通用电子维护模型; granulocyte-erythroid-monocyte-megakaryocyte 颗粒细胞-幼红细胞-单核细胞-巨核细胞（测定）
🗣️ 情景例句
if you can't make the payments.
如果你们不能还钱
Do you know Mary?
你认识玛丽吗？
Don't worry! We won't leave before nine. We'll wait for you outside the school gate!
别担心！9：00前我们不会出发。我们将在学校的大门外等你！