隔山 | gé shān | half-sibling relationship / brothers with different mother / step- | |
阿姨 | ā yí | maternal aunt / step-mother / childcare worker / nursemaid / woman of similar age to one's parents (term of address used by child) / CL:個|个[ge4] | |
继父母 | jì fù mǔ | step-parents | |
渐进原则 | step-by-step principle | ||
轨道逐级下降 | orbital step-down |