Beryllium ethide
[化] 二乙铍
🧩 词语组成解析
beryllium
[[be'riljəm,bə'r-]]
n. 铍\\n[化] 铍Be
[化物]乙基
🗣️ 情景例句
For example, did you know that 1 in 4 teenagers has tried marijuana?
比如，你是否知道4个青少年中就有1位曾经吸过大麻？
Good night.
晚安
CUSTOMS OFFICER: Are your friends tourists too?
你们的朋友也是来旅游的吗？