Bulbus venae jugularis
[医] 颈静脉球
🧩 词语组成解析
[医] 球, 鳞茎, 球茎
vena的复数
🗣️ 情景例句
and you've got to do one more thing.
而且你还要做一件事。
I've arranged my class schedule so I'll have my afternoons free.
我调整了我的课程表，以便下午腾出空来。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，