Developmental line
[医] 发育线
🧩 词语组成解析
developmental
[[diˌveləp'mentl]]
a. 发展的, 进化的, 启发的\\n[医] 发育的
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
He tried to smile.
他设法要微笑。
Has this seat number started boarding?
这个座位号已开始登机了吗？
Almost any day a young porpoise may be seen trying to turn a 300-pound sea turtle over by sticking his snout under the edge of his shell and pushing up for dear life.
几乎每天都可以看到一只小海豚把鼻子顶入一只300磅重的海龟的硬壳下面，拼命地把它翻过来。