■ 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）。

• may 与 might
• mean
• mean
• means
• meant
• measure
• meat
• meat
• meat 与 flesh
• media
• median
• medicine
• meet
• meet with
• meet 与 meet with
• memory
• mere
• merit
• method
• middle age
• middle school
• midnight
• might
• mind
• minister