■ birth

涉及分别的多人时，可以用复数。

• (the study) has been following several thousand twins since their births in 1994 and 1995.（这次调查）追踪了几千名双胞胎，从他们 1994 与 1995 年出生时起（参见 life, death 条）。

• congressman
• connection
• conscientious
• conscientious, conscious 与 consent
• conscious
• conscious
• conscious
• consent
• consider
• consist
• consistent
• conspire
• constituency
• consult
• consult with
• consult 与 consult with
• consume
• contact
• contagious
• contagious 与 infectious
• contempt
• contemptible
• contemptible 与 contemptuous
• contempt of court
• contemptuous